In this study the authors observed the status of water contamination by crayfish, Cambaroides similis, either alive or dead infected with Paragonimus westermani. The crayfish used as materials were infected heavily with metacercariae of Paragonimus westermani. The live crayfish were kept in water for a long time, and then the sediments of the water were examined to find out whether or not the liberation of the metacercariae from the body of the crayfish had caused contamination of the water with metacercariae. Killed crayfish were also preserved in water for some time.
Physical stimuli in terms of mederate degree of shaking were added to the preserved water once a day and half amount of the water was replaced with tapped water of same temperature everyday. Status of the decay of the crayfish, liberation of the metacercariae from the body of the crayfish or contamination of the preserved water by the metacercariae, and numbers of metacercariae harboured in the body of the crayfish were examined everyday. The fate of the metacercariae liberated from the crayfish into water was also observed. Status of the decay of the crayfish, liberation of the metacercariae from the body of the crayfish or contamination of the preserved water by the metacercariae, and numbers of metacercariae harboured in the body of the crayfish were examined everyday. The fate of the metacercariae liberated from the crayfish into water was also observed. The results of this study can be outlined as follows: No metacercaria was detected in the water which contained live crayfish infected with Paragonimus westermani. The preserved water with dead or killed crayfish was found to be contaminated by the metacercariae of Paragonimus westemani, which had been caused by the decay and dispersion of the flesh of the crayfish The liberated metacercariae survived for 10 days in the water at 21-27 C.
The liberated metacercariae were found to be sinking into water of s.g. 1.000 with average velocity of 35.8 cm per minute.
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Paragonimus and paragonimiasis in Korea D W Choi The Korean Journal of Parasitology.1990; 28(Suppl): 79. CrossRef
Among 11,005 inhabitants(61% of total population) surveyed in 13 villages of Che Ju Island in 1964, were identified as paragonimiasis patients, of these 1,355 were treated with 40 mg/kg body weight of bithionol for 10-15 doses. The purpose of the study was to test whether mass chemotherapy of the human host may provie an answer for the control of paragonimiasis in an area where the human host is main source of infection to the intermediate hosts. The efficacy of the mass chemotherapy as control program was measured by the acceptance of the survey and treatment by the inhabitants, the efficacy and the toxicity of the drug applied, and the influence of the infection rates of the intermediate hosts. The acceptance of the survey and the treatment was not entirely satisfactory: an estimate based on data suggests that only fifty to sixty percent of all cases infected were detected, and 93% of detected cases were treated in the primary program. All cases detected during the follow up survey, which could not cover whole population, were treated. The efficacy of bithionol was excellent when the treatment was completed. 40 mg/kg body weight for 10-15 doses was sufficient to turn the sputum egg-negative except in a few cases infected heavily that needed 20 doses. Side reactions were generally mild; the most frequent reaction was gastrointestinal; which spontaneously subsided within a few to several days. The infection rate of intermediate hosts started to decrease from the third year of the mass treatment with a pattern of gradual drop. Follow up studies on general population in three and four years of the mass treatment also showed markedly decreased prevalence of paragonimiasis by intradermal test and sputum examination. It is concluded that a complete mass chemotherapy with bithionol in an area where human is the main source of infection to the intermediate hosts can be the answer for control of paragonimiasis.
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Review of Successful Control of Parasitic Infections in Korea Sung-Tae Hong, Tai-Soon Yong Infection & Chemotherapy.2020; 52(3): 427. CrossRef
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Paragonimus and paragonimiasis in Korea D W Choi The Korean Journal of Parasitology.1990; 28(Suppl): 79. CrossRef
A follow-up study to evaluate the efficacy of mass chemotherapy for control of paragonimiasis Joung Soon Kim, F. B. Bang The Korean Journal of Parasitology.1974; 12(1): 8. CrossRef
Values of intradermal test and multiple sputum examinations for dagnosis of paragonimiasis Joung Soon Kim, Soung Soon Park The Korean Journal of Parasitology.1974; 12(2): 119. CrossRef
The prevalence of intestinal helminthes in inhabitants of Cheju Do Byong Seol Seo, Han Jong Rim, Seung Yull Cho, Jong Ho Ahn, Jong Won Kwak, Jung Woo Lee, Se Chul Kang The Korean Journal of Parasitology.1972; 10(2): 100. CrossRef
A study on the infection status on intermediate hosts by Paragonimus on Che Ju Island Joung Soon Kim The Korean Journal of Parasitology.1969; 7(3): 171. CrossRef
An evaluation of intradermal test in screening paragonimiasis was attempted by comparing antigens, filtered through Sephadex G 50, fractionated by DEAE Sephadex A 25, and V.B.S.(crude extract of adult worms) antigen on 402 school children. The sensitivity and false negative rates were compared with one another on results of two examinations for eggs, one with sputum and the other with stool. The purified antigens showed more intense skin reaction than the crude extract. The crude extrct(V.B.S.) appeared to have lower false negative rate than the purified even though the difference was not statistically significant. Intradermal test with V.B.S. antigen on 12,000 subjects was analysed to find some characteristics of the reaction. Three size groups were classified by egg detection rate; negative reaction, 20-50 mm(2) size group of which egg detection rate was 3.5% among 118 persons, intermediate, 60-100 mm(2) with 26.8% among 1,078, and positive reaction, larger than 100 mm(2) with 45.7% among 2,098 subjects. The distribution of wheal size by age for total population surveyed revealed that younger ages had smaller wheal sizes with larger proportion of negative reaction, which decreased when the age increased. Skin sensitization in a population seemed to occur gradually to and reached a maximum by the age of 13 year. The egg detection rate increased proportionately to wheal size for the intermediate group, however, it did not vary much by size for positive group(larger than 100 mm(2)). When the wheal size distributions were compared in three groups, egg positives, egg negatives, and the group whose sputa were not examined, curves of the two groups, egg positive and negative, did not show clear separation. This fact seems to indicate that there is a low sensitivity and specificity in both tests(sputum and skin). The stability of the intradermal test measured by a second survey done one year after the primary survey revealed that the intermediate size group had more marked unstability than the other groups, and the treated group had tendency to decrease in wheal size. The purification of antigen for intradermal test did not add any better means of screening for paragonimiasis, probably due to the nature of skin sensitization evoked by many elements of the parasite but not by a few selected components. The V.B.S. antigen may be valuable for screening a large population, yet the diagnosis can not be dependent entirely upon the test. The final diagnosis should be made by repeated sputum examinations in spaced time with careful history taking aided by CF test and X-ray examination if necessary.
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Paragonimus and paragonimiasis in Korea D W Choi The Korean Journal of Parasitology.1990; 28(Suppl): 79. CrossRef
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Values of intradermal test and multiple sputum examinations for dagnosis of paragonimiasis Joung Soon Kim, Soung Soon Park The Korean Journal of Parasitology.1974; 12(2): 119. CrossRef
For the determination/confirmation of the vector species of Japanese encephalitis in Korea and for the study of their bionomics, a preliminary assessment of different collecting methods of sampling mosquito population was undertaken.
Man-biting catches, cow-biting catches, pig-baited window-trap hut, light trap, dry ice trap and man-baited double net were employed. The advnntages and disadvantages of these methods are discussed. A pig-baited window-trap hut and cow-biting catches outdoors are considered the best ways of collecting large numbers of Culex tritaeniorhynchus summorosus, the most important vector of Japanese encephalitis, for virus isolation and insecticide susceptility testing. The latter method requires, however, more man-power. Light traps set in a pigsty or cowshed are the simplest and most convenient tools for studying tne mosquito population density and seasonal prevalence.
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During the summer season(July-August) in 1967, the insecticide tests for resistance on adult A. sinensis and C.
tritaeniorhynchus were carried out in Gobu-Myun Jeongup-Gun, Chollapuk-Do, where many Japanese encephalitis cases occur every year. The mortality by 4.0% DDT in A. sinensis was 88.9% and by 4.0% dieldrin was 84.4%. Therefore the LC-50 of DDT for A. sinensis was 1.75%, while LC-50 of dieldrin was 1.1%. The mortality by 4.0% DDT in C. tritaeniorhynchus was 36.7%, and by 4.0% dieldrin was 6.0% The result indicates that A. sinensis in Korea is susceptible to DDT and resistant to dieldrin. C. tritaeniorhynchus is highly resistant to both DDT and dieldrin.
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The present study attempted to demonstrate an acquired immunity against Clonorchis sinensis in albino rat. Three separate experiments were carried out to determine acquired resistance developed by stimulating procedure followed by challenging infection with metacercariae. Acquired resistance was evaluated by the rate of recovery or the average number of flukes recovered from the liver of challenged albino rats, compared with the controls. In drder to demonstrate the rate of recovery of the fluke, three experimental groups of rats were challenged with 50 metacercariae per rat- 7,15 and 30 days after single injection of worm extract. The recovery rate was ranged from 33.2% to 38.0% in experimental group and their control group harbored from 37.8% to 42.6%. No significant difference was found on statistical analysis. In experimental groups received two immunizing injections with worm extract followed by challenging infection of metacercariae.
Statistically significant difference was recovered between experimentals and controls. It was noted that reduction of the recovery rate was prominent in Group 5 and 6, which were challenged 15 and 30 days after two stimulating injections.
From the third experiment which was consisted of single immunizing infection with 20 metacercariae followed by challenging infection with 30 metacercariae, no significant reduction was found between experimental rats and their controls. The number of recovered worms ranged from 16.2 to 18.5 worms in experimental group, while that of control group ranged from 18.9 to 19.8 worms. The evidence of delayed hypersensitivity reaction was observed in the groups with acquired immunity developed rats, by histopathological study of host hepatic tissue.
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The lactic dehydrogenase activities of Ascaris lumbricoides have been assayed according to the developmental course of the fertilized eggs compared with the unfertilized eggs.
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To evaluate the Kato's cellophane thick smear techcique in detection ability of various helminth ova, authors examined 1,843 nationwidely collected stool specimens by the two methods, formalin-ether technique and cellophane thick smear technique. And the results were analyzed. The positive rates of following helminth ova were superior in cellophane thick smear technique to those of formalin-ether technique: Ascaris lumbricoides(62.3% : 51.1%), Taenia species (1.5% : 0.9%). The difference in A. lumbricoides ova detection is highly significant one. The overall positive rate for helminths ova was also higher in Kato's method (92.3% : 90.0%). The positive fates of following helminth ova were infrior in cellophane thick smear technique to those of formalin-ether technique: Hookworm (5.8% : 14.6%), Trichostrongylus orientalis(3.2% : 17.8%), Clonorchis sinensis(8.3% : 11.0%), Metagonimus yokogawai (0.6% : 1.7%) and Hymenolepis nana(0.05% : 0.3%). The positive rate for the ova of Trichocephalus trichiurus by the two methods was incidentally same, 74.1%. The causes of inferior positive rates in some helminth ova by cellophane thick smear technique were shortly discussed and suggests some opinions in improvement of detection ability.
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What was the main factor in successful control of ascariasis in Korea? Seung-Yull Cho, Sung-Tae Hong Parasites, Hosts and Diseases.2023; 61(2): 103. CrossRef
Fifty Years of the Korean Society for Parasitology Seung-Yull Cho The Korean Journal of Parasitology.2009; 47(Suppl): S7. CrossRef
The Kato-Katz method is reliable for diagnosis of Clonorchis sinensis infection Sung-Tae Hong, Min-Ho Choi, Chung-Hyun Kim, Byung-Suk Chung, Zhuo Ji Diagnostic Microbiology and Infectious Disease.2003; 47(1): 345. CrossRef
Comparative study on the effectiveness of modified Kato's cellophane thick smear and Stoll's dilution egg counting technique for quantitative fecal examination of helminth eggs S J Hong, H C Woo, J H Han, H J Kim The Korean Journal of Parasitology.1992; 30(2): 141. CrossRef
Epidemiology and control of ascariasis in Korea B S Seo The Korean Journal of Parasitology.1990; 28(Suppl): 49. CrossRef
Clonorchiasis in Korea H J Rim The Korean Journal of Parasitology.1990; 28(Suppl): 63. CrossRef
The detectability of helminth eggs from feces by cellophane thick smear technique Jong Yil Chai, Young Tae Yang, Soon Hyung Lee, Byong Seol Seo The Korean Journal of Parasitology.1982; 20(1): 14. CrossRef
Pyrantel embonate in mass treatment of ascariasis and comparison with piperazine adipate and santonin-kainic acid complex Han Jong Rim, Joung Hwan Ha, Joon Sang Lee, Il Hyun, Kwang Bon Uh The Korean Journal of Parasitology.1974; 12(2): 141. CrossRef
Santonin-kainic acid complex as a mass chemotherapeutic of Ascaris lumbricoides control in Korea Soon Hyung Lee, Se Chul Kang, Jong Ho Ahn, Jung Woo Lee, Han Jong Rim The Korean Journal of Parasitology.1972; 10(2): 79. CrossRef
Prevalence of intestinal parasites in Korea Chong Hwan Kim, Chung Hee Park, Hwa Jun Kim, Hyung Bock Chun, Hong Kee Min, Tae Young Koh, Chin Thack Soh The Korean Journal of Parasitology.1971; 9(1): 25. CrossRef
Study on the status of helminthic infections in Koreans Byong Seol Seo, Han Jong Rim, In Kyu Loh, Soon Hyung Lee, Seung Yull Cho, Seung Chull Park, Jong Wha Bae, Joong Ho Kim, Joon Sang Lee, Bon Yong Koo, Kon Shik Kim The Korean Journal of Parasitology.1969; 7(1): 53. CrossRef
Seo, Byong Seol , Rim, Han Jong , Loh, In Kyu , Lee, Soon Hyung , Cho, Seung Yull , Park, Seung Chull , Bae, Jong Wha , Kim, Joong Ho , Lee, Joon Sang , Koo, Bon Yong , Kim, Kon Shik
This study was undertaken to evaluate the present status of intestinal helminthic infections in Koreans, from April 1967 through May 1969. The nationwidely collected stool specimens and scotch-tape anal swabs from primary schoolchildren, middle school students, draftees to army recruitment camp, soldiers and inhabitants of various parts of Korea were examined. The methods employed were Kato's cellophane thick smear technique and formalin-ether sedimentation technique in 40,581 for the prevalence rate of various intestinal helminths, scotch-tape anal swab technique in 8,585 for the prevalence rate of Enterobius vermicularis and by Stoll's dilution egg counting technique in 1,174 for the evaluation of the worm burden of some helminths. The results are as follows. Result of stool examination: The positive rate of intesinal helminthes of any kind was 90.5% among 40,581. In rural people, it was 92.3% in average in contrast to 85.0% in Seoul inhabitants. The infection rate of A. lumbricoides in 40,581 was 58.2%. It was higher in rural people 62.9% than in Seoul inhabitants and highest in 5-9 year-old group by age. The infection of Trichocephalus trichiurus showed the highest prevalence rate in Koreans and it was 74.5%. No remarkable difference was observed between Seoul inhabitants(72.2%) and rural people(75.2%). The tendency of higher prevalence rate with the older age group was observed. The infection rates of hookworm and Trichostrongylus orientalis in 40,581 examinations by cellophane thick smear were 5.1% and 5.8% respectively. But in 4,949 examinations for which refined cellophane thick smear technique and formalin-ether sedimentation technique were employed, the infection rates were turned out 17.6% in hookworm and 15.9% in T. orientalis. Although rural people showed higher infection rate of hookworm(18.8%) than Seoul inhabitants(13.8%), the reverse was true in T. orientalis infection rate(14.5% : 20.3%). Both kinds of infections were tend to be higher with the increase of age. The infection rates of Clonorchis sinensis and Metagonimus yokogawai were 4.7% and 0.4% respectively. In both kinds of infections male showed higher infection rates than female and the tendencies of higher infection rate in the older age group were observed. The provinces which showed the higher infection rate of C. sinensis were South and North Kyongsang Do and North Cholla Do, all of which are provinces of southern part of Korea. Some endemic foci of M. yokogawai were noticed in South Kyongsang Do and South Cholla Do. The infection rate of Taenia spp. by applying only the stool examination was 0.7% throughout the survey. No sex difference in infection rate of Taenia spp. was noticed, but in older age group it was increased. Cheju Do, the island of extreme southern part of Korea seemed the most endemic area and South and North Cholla Do were next in ranking of Taenia infection rate. The ova of Hymenolepis nana were observed in 0.2% and all of them were under the age of 20 except only one caes. The infection rate seemed higher in female (0.3%: 0.1%). No geographical difference was noticed except 1.1% of schoolchilderen and students of Cheju Do. Result of Scotch-tape anal swab technique for E. vermicularis infection. The infection rate of E. vermicularis in 8,585 urban and rural schoolchildren and rural inhabitants was 46.6%. Female (57.9%) had definitely higher infection rate than male (41.4%). The infection rate was significantly higher in rural people than Seoul schoolchildren. The exteme example was 79.7% in schoolchildren of South Cholla Do.
Result of worm burden examination by Stoll's dilution egg-counting technique: Among 1,174 examinations, countable(E.P.G.> 100) cases of A. lumbricoides were 745(63.5%) and the mean E.P.G. was 9,723. The mean E.P.G. in Seoul inhabitants was 5,835 in contrast to 10,820 in rural people. The age group of 5-9 showed the heaviest mean E.P.G., 11,337. 70.6% of 745 cases were less than 10,000 in E.P.G. which means light infection. Countable cases by Stoll's technique for T. trichiurus ova were 63.5% and mean E.P.G. was 649. No difference between Seoul and rural inhabitants was observed. Grade I and II in which E.P.G. is less than 5,000 involve 99.3% of positive cases. 91 cases (7.9%) in 1,174 were positive for hookworm ova by Stoll's technique and mean E.P.G. was 501. All cases were in Grade I and II which were less than 5,000 in E.P.G. Trichostrongylus orientalis was positive only in 25 cases (2.1%) by Stoll's technique and mean E.P.G. was 340. No cases were found to have more than 5,000 in T. orientalis E.P.G. The mean E.P.G.
of Clonorchis sinensis among the referred cases of clonorchiasis to Department of Parasitology, Seoul National University, was 9,416. On the other hand mean E.P.G. of C.
sinensis was 21,376 among cases in the hyperendemic area of Kimhae, South Kyongsang Do, and 3,073 in cases from other various localities. Among referred clonorchiasis cases to our Department, 21.6% were turned out to have the E.P.G.
more than 10,000. The cases who have the E.P.G. more than 10,000 in hyperendemic area, Kimhae were 40.7% and in other various localities were 9.1%
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Cestode infections in Korea D Y Min The Korean Journal of Parasitology.1990; 28(Suppl): 123. CrossRef
Intestinal parasite infections among inhabitants in two islands of Tongyeong-gun, Kyeongsangnam-do S J Hong, H C Woo, J H Han, Y K Seong The Korean Journal of Parasitology.1990; 28(1): 63. CrossRef
Status of intestinal parasitic infections in a remote island, Yondo, Jeonranam-do(province) Gi Soo Goo, Duk Young Min, Myoung Hee Ahn, Kyong Min Kim, Mi Hyea Leem, Hak Sun Yoon The Korean Journal of Parasitology.1988; 26(4): 275. CrossRef
Recent patterns of Enterobius vermicularis infection in some school children, Korea Yong Suk Ryang The Korean Journal of Parasitology.1988; 26(3): 215. CrossRef
The distribution and abundance of Enterobius vermicularis in a South Indian fishing community M. R. Haswell-Elkins, D. B. Elkins, K. Manjula, E. Michael, R. M. Anderson Parasitology.1987; 95(2): 339. CrossRef
Intestinal parasite survey in Seoul by stool examination at Hanyang University Hospital Duk Young Min, Myoung Hee Ahn, Kyung Min Kim, Choon Won Kim The Korean Journal of Parasitology.1986; 24(2): 209. CrossRef
Recent patterns of intestinal helminth infections among the residents in Taegu City, Korea Chong Yoon Joo The Korean Journal of Parasitology.1984; 22(1): 109. CrossRef
Prevalence of intestinal helminthic infections and skin tests for Paragonimus and Clonorchis in tuberculosis patients Won Young Choi, Jae Eul Yoo, Woon Gyu Kim, Baeck Hyun Yun, Sung Gyu Kim, Won Ha Yoo The Korean Journal of Parasitology.1984; 22(2): 209. CrossRef
Epidemiological studies on Ascaris lumbricoides reinfection in rural communities in Korea II. Age-specific reinfection rates and familial aggregation of the reinfected cases Jong Yil Chai, Byong Seol Seo, Soon Hyung Lee, Seung Yull Cho The Korean Journal of Parasitology.1983; 21(2): 142. CrossRef
A study on the intestinal helminths of the patients in a leprosarium in Korea Sung Tae Hong, Sung Jong Hong, Soon Hyung Lee, Ik Sang Kim, Jung Sik Shin The Korean Journal of Parasitology.1983; 21(1): 102. CrossRef
Epidemiological studies of Clonorchis sinensis in lower area of Nag Dong river nearby Busan City in Korea Soo Bok Song The Korean Journal of Parasitology.1982; 20(2): 133. CrossRef
An epidemiologic study on clonorchiasis and metagonimiasis in riverside areas in Korea Byong Seol Seo, Soon Hyung Lee, Seung Yull Cho, Jong Yil Chai, Sung Tae Hong, In Soo Han, Jin Saeng Sohn, Byong Hwan Cho, Seok Rok Ahn, Sang Ki Lee, Sang Choon Chung, Keun Shik Kang, Hyong Soo Shim, In Soo Hwang The Korean Journal of Parasitology.1981; 19(2): 137. CrossRef
An epidemiological study on zoonoses in Korea Hong Ki Min The Korean Journal of Parasitology.1981; 19(1): 60. CrossRef
An epidemiological note on the taeniasis in Korea Han Jong Rim, Kyung Won Song, Kyoung Hwan Joo, Joon Sang Lee, Jeong Joon Kim The Korean Journal of Parasitology.1980; 18(2): 235. CrossRef
Study on the Metagonimus sp. in Gum river basin, Chungchung-nam Do, Korea Chong Hwan Kim The Korean Journal of Parasitology.1980; 18(2): 215. CrossRef
A clinical trial of oxantel and pyrantel against intestinal nematodes infections Won Young Choi, Ok Ran Lee, Won Koo Lee, Wun Kyu Kim, Chang Seng Chung, Byong Ok Ough The Korean Journal of Parasitology.1979; 17(1): 60. CrossRef
Therapeutic effects of praziquantel (Embay 8440) against Taenia solium infection Han Jong Rim, Soo Bae Park, Joon Sang Lee, Kyoung Hwan Joo The Korean Journal of Parasitology.1979; 17(1): 67. CrossRef
A mathematical approach to the mode of transmission of clonorchiasis in the inhabitants of Nak-dong and Han River basin Ki Won Song, Shin Yong Kang, Soon Hyung Lee The Korean Journal of Parasitology.1979; 17(2): 114. CrossRef
Epidemiological conditions of Metagonimus yokogawai infection in Hadong Gun, Gyeongsang Nam Do Dong Chan Kim, On Young Lee, Eui Beom Jeong The Korean Journal of Parasitology.1979; 17(1): 51. CrossRef
A histopathological study on human cysticercosis Hyun Sook Chi, Je Geun Chi The Korean Journal of Parasitology.1978; 16(2): 123. CrossRef
Anthelmintic effect of oxantel and oxantel/pyrantel tablets against intestinal nematode infections Soon Hyung Lee, Chul Yong Song, Jung Kyoo Lim The Korean Journal of Parasitology.1977; 15(2): 121. CrossRef
Study on Metagonimus yokogawai(Katsurada, 1912) in Korea IV. An epidemiological investigation along Tamjin River basin, South Cholla Do, Korea Jong Yil Chai, Seung Yull Cho, Byong Seol Seo The Korean Journal of Parasitology.1977; 15(2): 115. CrossRef
Clinical trial of oxantel pamoate(CP-14, 445) on Trichocephalus trichiurus infection Soon Hyung Lee, Byong Seol Seo, Seung Yull Cho, Shin Yong Kang The Korean Journal of Parasitology.1976; 14(1): 25. CrossRef
Significance of Scotch-tape anal swab technique in diagnosis of Enterobius vermicularis infection Seung Yull Cho, Shin Yong Kang The Korean Journal of Parasitology.1975; 13(2): 102. CrossRef
Anthelmintic effect of oxantel pamoate and pyrantel pamoate suspension against intestinal nematode infestations Han Jong Rim, Chang Yong Won, Sung Ik Lee, Jung Kyoo Lim The Korean Journal of Parasitology.1975; 13(2): 97. CrossRef
Treatment of enterobiasis and ascariasis with combantrin (pyrantel pamoate) Han Jong Rim, Jung Kyoo Lim Transactions of the Royal Society of Tropical Medicine and Hygiene.1972; 66(1): 170. CrossRef
Santonin-kainic acid complex as a mass chemotherapeutic of Ascaris lumbricoides control in Korea Soon Hyung Lee, Se Chul Kang, Jong Ho Ahn, Jung Woo Lee, Han Jong Rim The Korean Journal of Parasitology.1972; 10(2): 79. CrossRef
Measurement of blood loss using (51)Cr in heavy infection cases of Trichocephalus trichiurus Seung Yull Cho The Korean Journal of Parasitology.1972; 10(2): 71. CrossRef
Prevalence of intestinal parasites in ROKA solidiers Kyung Il Im, Bang Bu Youn, Kyung Suk Lee The Korean Journal of Parasitology.1972; 10(1): 1. CrossRef
The prevalence of intestinal helminthes in inhabitants of Cheju Do Byong Seol Seo, Han Jong Rim, Seung Yull Cho, Jong Ho Ahn, Jong Won Kwak, Jung Woo Lee, Se Chul Kang The Korean Journal of Parasitology.1972; 10(2): 100. CrossRef
Prevalence of intestinal parasites in Korea Chong Hwan Kim, Chung Hee Park, Hwa Jun Kim, Hyung Bock Chun, Hong Kee Min, Tae Young Koh, Chin Thack Soh The Korean Journal of Parasitology.1971; 9(1): 25. CrossRef
Incidence of intestinal parasites with fecal examination on the out patient of Pusan University Hospital Soo Bok Song The Korean Journal of Parasitology.1970; 8(3): 71. CrossRef
Parasitologial studies of Korean Forces in South Vietnam II. A comparative study on the incidences of intestinal parasites Joong Ho Kim, Jong June Yoon, Soon Hyung Lee, Byong Seol Seo The Korean Journal of Parasitology.1970; 8(1): 30. CrossRef
Study on Metagonimus yokogawai(Katsurada, 1912) in Korea[I. On the metacercaria, its distribution in the second intermediate host and the development in the final host Byong Seol Seo, Nam Tae Hong The Korean Journal of Parasitology.1969; 7(3): 129. CrossRef
An evaluation of cellophane thick smear technique for mass stool examination Seung Yull Cho, Soon Hyung Lee, Han Jong Rim, Byong Seol Seo The Korean Journal of Parasitology.1969; 7(1): 48. CrossRef
The anthelminthic effect of phenylene-diisothiocyanate-(1,4) (=Jonit) on Ancylostoma duodenale (dubin, 1843) creplin, 1845 Byong Seol Seo, Hyung Joo Hahn, Joon Sang Lee, Bon Yong Koo The Korean Journal of Parasitology.1969; 7(3): 201. CrossRef
The prevalence of intestinal parasitesin ROKA soldiers at Won-Ju area Seung Dae Park, Doo Seung Kim, Yong Suk Ryang The Korean Journal of Parasitology.1969; 7(3): 167. CrossRef
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