| # | Document title | Authors | Year | Source | Cited by |
| 1 | Comparing the performance of urine and copro-antigen detection in evaluating opisthorchis viverrini infection in communities with different transmission levels in Northeast Thailand | Worasith C., Worasith C., Wangboon C., Duenngai K., Kiatsopit N., Kiatsopit N., Kopolrat K., Kopolrat K., Techasen A., Sithithaworn J., Khuntikeo N., Khuntikeo N., Loilome W., Loilome W., Namwat N., Namwat N., Yongvanit P., Yongvanit P., Carlton E.J., Sithithaworn P., Sithithaworn P. | 2019 | PLoS Neglected Tropical Diseases,
13(2), e0007186 | 38 |
| 2 | Seasonal transmission of Opisthorchis viverrini sensu lato and a Lecithodendriid trematode species in Bithynia siamensis goniomphalos snails in northeast Thailand | Namsanor J., Namsanor J., Sithithaworn P., Sithithaworn P., Kopolrat K., Kopolrat K., Kiatsopit N., Kiatsopit N., Pitaksakulrat O., Pitaksakulrat O., Tesana S., Tesana S., Andrews R., Andrews R., Andrews R., Petney T., Petney T. | 2015 | American Journal of Tropical Medicine and Hygiene,
93(1), pp. 87-93 | 33 |
| 3 | Performance of Mini Parasep® SF stool concentrator kit, Kato-Katz, and formalin-ethyl acetate concentration methods for diagnosis of opisthorchiasis in Northeast Thailand | Kopolrat K.Y., Kopolrat K.Y., Singthong S., Khuntikeo N., Loilome W., Worasith C., Homwong C., Wangboon C., Yasaka P., Eamudomkarn C., Pitaksakulrat O., Tonkhamhak K., Paeyo A., Crellen T., Crellen T., Sithithaworn J., Sithithaworn P. | 2022 | Parasites and Vectors,
15(1), 234 | 24 |
| 4 | Seasonal cercarial emergence patterns of Opisthorchis viverrini infecting Bithynia siamensis goniomphalos from Vientiane Province, Lao PDR | Kiatsopit N., Sithithaworn P., Kopolrat K., Andrews R., Andrews R., Andrews R., Petney T., Petney T. | 2014 | Parasites and Vectors,
7(1), 551 | 24 |
| 5 | Development and Efficacy of Droplet Digital PCR for Detection of Strongyloides stercoralis in Stool | Iamrod K., Chaidee A., Rucksaken R., Kopolrat K.Y., Worasith C., Wongphutorn P., Wongphutorn P., Intuyod K., Pinlaor S., Sithithaworn J., Sithithaworn P., Hongsrichan N. | 2021 | The American journal of tropical medicine and hygiene,
106(1), pp. 312-319 | 22 |
| 6 | Trematode diversity in the freshwater snail Bithynia siamensis goniomphalos sensu lato from Thailand and Lao PDR | Kiatsopit N., Sithithaworn P., Kopolrat K., Namsanor J., Andrews R., Andrews R., Andrews R., Petney T., Petney T. | 2016 | Journal of Helminthology,
90(3), pp. 312-320 | 22 |
| 7 | Evaluation of a rapid igg4 lateral flow dipstick test to detect strongyloides stercoralis infection in Northeast Thailand | Noordin R., Anuar N.S., Juri N.M., Wongphutorn P., Ruantip S., Kopolrat K.Y., Kopolrat K.Y., Worasith C., Worasith C., Sithithaworn J., Sithithaworn P., Sithithaworn P. | 2021 | American Journal of Tropical Medicine and Hygiene,
105(3), pp. 689-691 | 19 |
| 8 | Application of urine antigen assay to evaluate outcomes of praziquantel treatment and reinfection in opisthorchiasis in northeast Thailand | Worasith C., Wangboon C., Kopolrat K.Y., Homwong C., Sithithaworn J., Techasen A., Thanan R., Khuntikeo N., Sithithaworn P. | 2020 | Transactions of the Royal Society of Tropical Medicine and Hygiene,
114(10), pp. 751-761 | 18 |
| 9 | Examination of Diagnostic Performance of New IgG4 Rapid Test Compared with IgG- and IgG4-ELISAs to Investigate Epidemiology of Strongyloidiasis in Northeast Thailand | Wongphutorn P., Noordin R., Noordin R., Anuar N.S., Worasith C., Kopolrat K.Y., Homwong C., Tippayawat P., Techasen A., Pitaksakurat O., Sithithaworn J., Eamudomkarn C., Sithithaworn P., Sithithaworn P. | 2024 | American Journal of Tropical Medicine and Hygiene,
110(2), pp. 254-262 | 16 |
| 10 | Molecular identification of trematode parasites infecting the freshwater snail Bithynia siamensis goniomphalos in Thailand | Pitaksakulrat O., Sithithaworn P., Sithithaworn P., Kopolrat K.Y., Kopolrat K.Y., Kiatsopit N., Saijuntha W., Andrews R.H., Andrews R.H., Petney T.N., Petney T.N., Blair D. | 2022 | Journal of helminthology,
96, pp. e49, e49 | 15 |
| 11 | Analysis of Daily Variation for 3 and for 30 Days of Parasite-Specific IgG in Urine for Diagnosis of Strongyloidiasis by Enzyme-Linked Immunosorbent Assay | Ruantip S., Eamudomkarn C., Kopolrat K.Y., Sithithaworn J., Laha T., Sithithaworn P. | 2021 | Acta Tropica,
218, 105896 | 15 |
| 12 | Cercarial emergence patterns for Opisthorchis viverrini sensu lato infecting Bithynia siamensis goniomphalos from Sakon Nakhon Province, Thailand | Laoprom N., Laoprom N., Kiatsopit N., Sithithaworn P., Sithithaworn P., Kopolrat K., Namsanor J., Andrews R., Andrews R., Andrews R., Petney T., Petney T. | 2016 | Parasitology Research,
115(9), pp. 3313-3321 | 15 |
| 13 | Evaluation of a commercial stool concentrator kit compared to direct smear and formalin-ethyl acetate concentration methods for diagnosis of parasitic infection with special reference to Opisthorchis Viverrini sensu lato in Thailand | Laoprom N., Laoprom N., Laithavewat L., Kopolrat K., Kiatsopit N., Kaewkes S., Chantalux S., Mongkolsin C., Chanmaha B., Andrews R., Andrews R., Petney T., Petney T., Sithithaworn P., Sithithaworn P. | 2016 | Southeast Asian Journal of Tropical Medicine and Public Health,
47(5), pp. 890-900 | 14 |
| 14 | Influence of water irrigation schemes and seasonality on transmission dynamics of opisthorchis viverrini in the snail intermediate host, Bithynia siamensis goniomphalos in rice paddy fields in Northeast Thailand | Kopolrat K., Sithithaworn P., Kiatsopit N., Namsanor J., Laoprom N., Tesana S., Andrews R.H., Andrews R.H., Petney T.N., Petney T.N. | 2020 | American Journal of Tropical Medicine and Hygiene,
103(1), pp. 276-286 | 13 |
| 15 | Genetic diversity and population structure of Haemonchus contortus in goats from Thailand | Pitaksakulrat O., Pitaksakulrat O., Chaiyasaeng M., Chaiyasaeng M., Artchayasawat A., Artchayasawat A., Eamudomkarn C., Eamudomkarn C., Boonmars T., Boonmars T., Kopolrat K.Y., Prasopdee S., Petney T.N., Blair D., Sithithaworn P., Sithithaworn P. | 2021 | Infection, Genetics and Evolution,
95, 105021 | 12 |
| 16 | Impact of geography and time on genetic clusters of Opisthorchis viverrini identified by microsatellite and mitochondrial DNA analysis | Namsanor J., Pitaksakulrat O., Kopolrat K., Kiatsopit N., Webster B.L., Gower C.M., Webster J.P., Laha T., Saijuntha W., Laoprom N., Andrews R.H., Andrews R.H., Petney T.N., Petney T.N., Blair D., Sithithaworn P. | 2020 | International Journal for Parasitology | 10 |
| 17 | Effects of day-to-day variation of Opisthorchis viverrini antigen in urine on the accuracy of diagnosing opisthorchiasis in Northeast Thailand | Worasith C., Worasith C., Wongphutorn P., Homwong C., Kopolrat K.Y., Techasen A., Thanan R., Eamudomkarn C., Eamudomkarn C., Wangboon C., Khuntikeo N., Khuntikeo N., Loilome W., Loilome W., Sithithaworn J., Crellen T., Crellen T., Sithithaworn P., Sithithaworn P. | 2022 | PLoS ONE,
17(7 July), e0271553 | 10 |
| 18 | Concentration of Urine Samples Improves Sensitivity in Detection of Strongyloides-Specific IgG Antibody in Urine for Diagnosis of Strongyloidiasis | Chungkanchana N., Sithithaworn P., Sithithaworn P., Worasith C., Worasith C., Wongphutorn P., Wongphutorn P., Ruantip S., Kopolrat K.Y., Kopolrat K.Y., Jusakul A., Thanan R., Duenngai K., Sithithaworn J., Techasen A. | 2022 | Journal of clinical microbiology,
60(1), pp. e0145421, e01454-21 | 9 |
| 19 | Seroprevalence of Toxoplasma gondii in free range chickens (Gallus domesticus) in Khon Kaen province, Thailand | Saichua P., Jumnainsong A., Tantrawatpan C., Kiatsopit N., Kopolrat K., Suwannatrai A., Sithithaworn P. | 2017 | Tropical Biomedicine,
34(2), pp. 419-424 | 8 |
| 20 | Comparison of infectivity, metacercarial burden and host mortality induced by Opisthorchis viverrini sensu lato cercariae from Lao PDR compared with Thailand in cyprinid fish, Barbonymus gonionotus | Kopolrat K., Sithithaworn P., Sithithaworn P., Kiatsopit N., Pitaksakulrat O., Tesana S., Andrews R., Andrews R., Andrews R., Petney T., Petney T. | 2015 | Transactions of the Royal Society of Tropical Medicine and Hygiene,
110(1), pp. 46-54, trv102 | 8 |
| 21 | Application of Urine and Copro Antigen Assays after Primary Infection and Drug Treatment in an Experimental Opisthorchiasis Animal Model | Worasith C., Worasith C., Kopolrat K.Y., Pitaksakulrat O., Homwong C., Kittirat Y., Kittirat Y., Wongphutorn P., Sithithaworn J., Sithithaworn P., Sithithaworn P. | 2022 | American Journal of Tropical Medicine and Hygiene,
106(5), pp. 1470-1477 | 8 |
| 22 | Accuracy of a new rapid diagnostic test for urinary antigen detection and assessment of drug treatment in opisthorchiasis | Worasith C., Sithithaworn J., Wongphutorn P., Homwong C., Khongsukwiwat K., Techasen A., Kopolrat K.Y., Kopolrat K.Y., Loilome W., Loilome W., Namwat N., Namwat N., Thinkamrop B., Tawarungruang C., Titapun A., Titapun A., Laha T., Andrews R.H., Andrews R.H., Taylor-Robinson S.D., Sithithaworn P., Sithithaworn P. | 2023 | Infectious Diseases of Poverty,
12(1), 102 | 8 |
| 23 | Relationship Between Pesticide Exposure Factors and Health Symptoms Among Chili Farmers in Northeast Thailand | Pengpan R., Kopolrat K.Y., Srichaijaroonpong S., Taneepanichskul N., Yasaka P., Kammoolkon R. | 2024 | Journal of preventive medicine and public health = Yebang Uihakhoe chi,
57(1), pp. 73-82 | 8 |
| 24 | Diagnostic performance of Strongyloides-specific IgG4 detection in urine for diagnosis of human strongyloidiasis | Wongphutorn P., Worasith C., Kopolrat K.Y., Homwong C., Sithithaworn J., Eamudomkarn C., Techasen A., Tippayawat P., Pitaksakurat O., Hongsrichan N., Crellen T., Crellen T., Crellen T., Sithithaworn P., Sithithaworn P. | 2023 | Parasites and Vectors,
16(1), 298 | 7 |
| 25 | Long-term Persistence of Opisthorchis viverrini Antigen in Urine: A Prospective Study in Northeast Thailand | Worasith C., Worasith C., Wongphutorn P., Kopolrat K.Y., Homwong C., Techasen A., Thanan R., Wangboon C., Eamudomkarn C., Eamudomkarn C., Sithithaworn J., Crellen T., Crellen T., Sithithaworn P., Sithithaworn P. | 2023 | The American journal of tropical medicine and hygiene,
108(2), pp. 356-358 | 6 |
| 26 | Comparison of a Urine Antigen Assay and Multiple Examinations with the Formalin-Ethyl Acetate Concentration Technique for Diagnosis of Opisthorchiasis | Worasith C., Worasith C., Techasen A., Duenngai K., Intuyod K., Intuyod K., Kopolrat K.Y., Sithithaworn J., Loilome W., Loilome W., Crellen T., Crellen T., Haswell M.R., Haswell M.R., Sithithaworn P., Sithithaworn P. | 2023 | The American journal of tropical medicine and hygiene,
109(1), pp. 159-165 | 5 |
| 27 | Human Fecal Carriage of Streptococcus agalactiae Sequence Type 283, Thailand | Barkham T., Tang W.Y., Wang Y.C., Sithithaworn P., Kopolrat K.Y., Worasith C. | 2023 | Emerging infectious diseases,
29(8), pp. 1627-1629 | 3 |
| 28 | Susceptibility, metacercarial burden, and mortality of juvenile silver barb, common carp, mrigal, and tilapia following exposure to Haplorchis taichui | Kopolrat K., Sithithaworn P., Tesana S., Andrews R., Andrews R., Petney T., Petney T. | 2015 | Parasitology Research,
114(4), pp. 1433-1442 | 3 |
| 29 | Population dynamics and diversity of trematode infections in Bithynia siamensis goniomphalos in an irrigated area in northeast Thailand | Kopolrat K.Y., Kopolrat K.Y., Sithithaworn P., Sithithaworn P., Kiatsopit N., Kiatsopit N., Namsanor J., Namsanor J., Pitaksakulrat O., Yasaka P., Saichua P., Saijuntha W., Tesana S., Andrews R.H., Andrews R.H., Petney T.N., Petney T.N. | 2021 | Parasitology | 3 |
| 30 | Diagnostic value of urinary and serum IgG antibodies in evaluating drug treatment response in strongyloidiasis assessed by fecal examination and digital droplet PCR | Wongphutorn P., Kopolrat K.Y., Worasith C., Eamudomkarn C., Hongsrichan N., Pitaksakulrat O., Sithithaworn J., Tippayawat P., Techasen A., Noordin R., Crellen T., Sithithaworn P., Sithithaworn P. | 2024 | PLoS ONE,
19(12 December), e0306732 | 1 |
| 31 | Epidemiology of Strongyloides stercoralis and Opisthorchis viverrini infections in northern and northeastern Thailand: Insights from urine-ELISA surveys | Wiraphongthongchai W., Sithithaworn P., Thinkhamrop K., Suwannatrai K., Kopolrat K.Y., Worasith C., Suwannatrai A.T. | 2024 | Parasitology Research,
123(12), 417 | 0 |
| 32 | Partially purified Strongyloides ratti antigen improved the diagnostic performance of strongyloidiasis by enzyme-linked immunosorbent assay (ELISA) and immunochromatographic test (ICT) | Wongphutorn P., Worasith C., Kopolrat K.Y., Eamudomkarn C., Pitaksakulrat O., Hongsrichan N., Tippayawat P., Techasen A., Sithithaworn J., Homsombut T., Odermatt P., Noordin R., Sithithaworn P., Sithithaworn P. | 2025 | Microbiology Spectrum,
13(3) | 0 |
| 33 | Large-scale epidemiology of opisthorchiasis in 21 provinces in Thailand based on diagnosis by fecal egg examination and urine antigen assay and analysis of risk factors for infection | Kopolrat K.Y., Kopolrat K.Y., Worasith C., Wongphutorn P., Techasen A., Eamudomkarn C., Sithithaworn J., Loilome W., Loilome W., Namwat N., Namwat N., Titapun A., Titapun A., Tawarungruang C., Thinkhamrop B., Futrakul S., Taylor-Robinson S.D., Haswell M.R., Haswell M.R., Khuntikeo N., Khuntikeo N., Crellen T., Crellen T., Crellen T., Sithithaworn P., Sithithaworn P. | 2025 | Plos Neglected Tropical Diseases,
19(7), pp. e0013095, e0013095 | 0 |
| 34 | Associations between pesticide exposure and hepatobiliary disease among agricultural workers in the Northeastern region of Thailand: a cross-sectional study | Kopolrat K.Y., Kopolrat K.Y., Chaiklieng S., Sithithaworn P., Sithithaworn P., Suggaravetsiri P., Pruktharathikul V., Trinnawoottipong K. | 2025 | Journal of Occupational Medicine and Toxicology,
20(1), 24 | 0 |
| 35 | Health risk assessment of glyphosate exposure among rubber farmers in Northeast Thailand | Chaiyasarn P., Kopolrat K.Y., Yasaka P., Srichaijaroonpong S., Hardthakwong B., Suwannaboon P., Krueakaew C., Kammoolkon R. | 2026 | Journal of Environmental Exposure Assessment,
5(1), 4 | 0 |