Name: Assoc. Prof Weerapong Phumratanaprapin
ชื่อ-สกุล: รองศาสตราจารย์นายแพทย์ วีระพงษ์ ภูมิรัตนประพิณ
Position: • Dean, Faculty of Tropical Medicine
• Centre Director, SEAMEO TROPMED/ THAILAND
Department: Clinical Tropical Medicine
Schilling WHK, Mukaka M, Callery JJ, Llewelyn MJ, Cruz CV, Dhorda M, Ngernseng T, Waithira N, Ekkapongpisit M, Watson JA, Chandna A, Nelwan EJ, Hamers RL, Etyang A, Beg MA, Sow S, Yavo W, Allabi AC, Basnyat B, Sharma SK, Amofa-Sekyi M, Yonga P, Adler A, Yuentrakul P, Cope T, Thaipadungpanit J, Rienpradub P, Imwong M, Abdad MY, Blacksell SD, Tarning J, Goudjo FF, Dossou AD, Konaté-Touré A, Assi SB, Ouffoué K, Nasronudin N, Rachman BE, Romadhon PZ, Dewanto DD, Heryana MO, Novi T, Pasaribu AP, Mutiara M, Nasution MPR, Khairunnisa K, Dalimunthe FA, Airlangga E, Fahrezzy A, Subronto Y, Ananda NR, Rahardjani M, Rimainar A, Lucinde RK, Timbwa M, Onyango OE, Agutu C, Akech S, Hamaluba M, Kipyego J, Ngachi O, Haidara FC, Traoré OY, Diarra F, Khanal B, Dahal P, Shrestha S, Rijal S, Kabore Y, Adehossi E, Guindo O, Qamar FN, Kazi AM, Woodrow CJ, Laird S, Cheeba M, Ayles H, Cheah PY, Taylor WRJ, Batty EM, Chotivanich K, Pukrittayakamee S, Phumratanaprapin W, von Seidlein L, Dondorp A, Day NPJ, White NJ; COPCOV Collaborative Group. Evaluation of hydroxychloroquine or chloroquine for the prevention of COVID-19 (COPCOV): A double-blind, randomised, placebo-controlled trial. PLoS Med. 2024 Sep 12;21(9):e1004428. doi: 10.1371/journal.pmed.1004428. PMID: 39264960; PMCID: PMC11392261.
Wongnak P, Schilling WHK, Jittamala P, Boyd S, Luvira V, Siripoon T, Ngamprasertchai T, Batty EM, Singh S, Kouhathong J, Pagornrat W, Khanthagan P, Hanboonkunupakarn B, Poovorawan K, Mayxay M, Chotivanich K, Imwong M, Pukrittayakamee S, Ashley EA, Dondorp AM, Day NPJ, Teixeira MM, Piyaphanee W, Phumratanaprapin W, White NJ, Watson JA; PLATCOV Collaborative Group. Temporal changes in SARS-CoV-2 clearance kinetics and the optimal design of antiviral pharmacodynamic studies: an individual patient data meta-analysis of a randomised, controlled, adaptive platform study (PLATCOV). Lancet Infect Dis. 2024 Sep;24(9):953-963. doi: 10.1016/S1473-3099(24)00183-X. Epub 2024 Apr 24. PMID: 38677300.
Luvira V, Schilling WHK, Jittamala P, Watson JA, Boyd S, Siripoon T, Ngamprasertchai T, Almeida PJ, Ekkapongpisit M, Cruz C, Callery JJ, Singh S, Tuntipaiboontana R, Kruabkontho V, Ngernseng T, Tubprasert J, Abdad MY, Keayarsa S, Madmanee W, Aguiar RS, Santos FM, Hanboonkunupakarn P, Hanboonkunupakarn B, Poovorawan K, Imwong M, Taylor WRJ, Chotivanich V, Chotivanich K, Pukrittayakamee S, Dondorp AM, Day NPJ, Teixeira MM, Piyaphanee W, Phumratanaprapin W, White NJ; PLATCOV Collaborative Group. Clinical antiviral efficacy of favipiravir in early COVID-19 (PLATCOV): an open-label, randomised, controlled, adaptive platform trial. BMC Infect Dis. 2024 Jan 15;24(1):89.
Schilling WHK, Jittamala P, Watson JA, Boyd S, Luvira V, Siripoon T, Ngamprasertchai T, Batty EM, Cruz C, Callery JJ, Singh S, Saroj M, Kruabkontho V, Ngernseng T, Tanglakmankhong N, Tubprasert J, Abdad MY, Madmanee W, Kouhathong J, Suwannasin K, Pagornrat W, Piaraksa N, Hanboonkunupakarn P, Hanboonkunupakarn B, Poovorawan K, Potaporn M, Srisubat A, Loharjun B, Taylor WRJ, Chotivanich V, Chotivanich K, Imwong M, Pukrittayakamee S, Dondorp AM, Day NPJ, Teixeira MM, Piyaphanee W, Phumratanaprapin W, White NJ; PLATCOV Collaborative Group. Antiviral efficacy of molnupiravir versus ritonavir-boosted nirmatrelvir in patients with early symptomatic COVID-19 (PLATCOV): an open-label, phase 2, randomised, controlled, adaptive trial. Lancet Infect Dis. 2024 Jan;24(1):36-45.
Jittamala P, Schilling WHK, Watson JA, Luvira V, Siripoon T, Ngamprasertchai T, Almeida PJ, Ekkapongpisit M, Cruz C, Callery JJ, Boyd S, Anunsittichai O, Hongsuwan M, Singhaboot Y, Pagornrat W, Tuntipaiboontana R, Kruabkontho V, Ngernseng T, Tubprasert J, Abdad MY, Keayarsa S, Madmanee W, Aguiar RS, Santos FM, Batty EM, Hanboonkunupakarn P, Hanboonkunupakarn B, Sookprome S, Poovorawan K, Imwong M, Taylor WRJ, Chotivanich V, Sangketchon C, Ruksakul W, Chotivanich K, Pukrittayakamee S, Dondorp AM, Day NPJ, Teixeira MM, Piyaphanee W, Phumratanaprapin W, White NJ; PLATCOV Collaborative Group. Clinical Antiviral Efficacy of Remdesivir in Coronavirus Disease 2019: An Open-Label, Randomized Controlled Adaptive Platform Trial (PLATCOV). J Infect Dis. 2023 Nov 11;228(10):1318-1325.
Sriboonvorakul N, Chotivanich K, Silachamroon U, Phumratanaprapin W, Adams JH, Dondorp AM, Leopold SJ. Intestinal injury and the gut microbiota in patients with Plasmodium falciparum malaria. PLoS Pathog. 2023 Oct 19;19(10):e1011661.
Chancharoenthana W, Leelahavanichkul A, Chinpraditsuk S, Pongpirul K, Kamolratanakul S, Phumratanaprapin W, Wilairatana P, Pitisuttithum P. Social restriction versus herd immunity policies in the early phase of the SARS-CoV-2 pandemic: A mathematical modelling study. Asian Pac J Allergy Immunol. 2023 Sep;41(3):253-262.
Chancharoenthana W, Kamolratanakul S, Leelahavanichkul A, Ariyanon W, Chinpraditsuk S, Saelim R, Vadcharavivad S, Phumratanaprapin W, Wilairatana P. Gastrointestinal manifestations of long-term effects after COVID-19 infection in patients with dialysis or kidney transplantation: An observational cohort study. World J Gastroenterol. 2023 May 21;29(19):3013-3026.
Omar FD, Phumratanaprapin W, Silachamroon U, Hanboonkunupakarn B, Sriboonvorakul N, Thaipadungpanit J, Pan-Ngum W. Clinical Characteristics of Acute Kidney Injury Associated with Tropical Acute Febrile Illness. Trop Med Infect Dis. 2023 Feb 27;8(3):147.
Schilling WHK, Jittamala P, Watson JA, Ekkapongpisit M, Siripoon T, Ngamprasertchai T, Luvira V, Pongwilai S, Cruz C, Callery JJ, Boyd S, Kruabkontho V, Ngernseng T, Tubprasert J, Abdad MY, Piaraksa N, Suwannasin K, Hanboonkunupakarn P, Hanboonkunupakarn B, Sookprome S, Poovorawan K, Thaipadungpanit J, Blacksell S, Imwong M, Tarning J, Taylor WRJ, Chotivanich V, Sangketchon C, Ruksakul W, Chotivanich K, Teixeira MM, Pukrittayakamee S, Dondorp AM, Day NPJ, Piyaphanee W, Phumratanaprapin W, White NJ; PLATCOV Collaborative Group. Pharmacometrics of high-dose ivermectin in early COVID-19 from an open label, randomized, controlled adaptive platform trial (PLATCOV). Elife. 2023 Feb 21;12:e83201.
Luvira V, Thippornchai N, Leaungwutiwong P, Siripoon T, Piroonamornpun P, Phumratanaprapin W, Iamsirithaworn S. Evidence of transmission of influenza A and influenza B co-infection in healthcare workers. J Infect Dev Ctries. 2022 Jul 28;16(7):1199-1205.
Chancharoenthana W, Kamolratanakul S, Ariyanon W, Thanachartwet V, Phumratanaprapin W, Wilairatana P, Leelahavanichkul A. Abnormal Blood Bacteriome, Gut Dysbiosis, and Progression to Severe Dengue Disease. Front Cell Infect Microbiol. 2022 Jun 17;12:890817.
Pitisuttithum P, Luvira V, Lawpoolsri S, Muangnoicharoen S, Kamolratanakul S, Sivakorn C, Narakorn P, Surichan S, Prangpratanporn S, Puksuriwong S, Lamola S, Mercer LD, Raghunandan R, Sun W, Liu Y, Carreño JM, Scharf R, Phumratanaprapin W, Amanat F, Gagnon L, Hsieh CL, Kaweepornpoj R, Khan S, Lal M, McCroskery S, McLellan J, Mena I, Meseck M, Phonrat B, Sabmee Y, Singchareon R, Slamanig S, Suthepakul N, Tcheou J, Thantamnu N, Theerasurakarn S, Tran S, Vilasmongkolchai T, White JA, Bhardwaj N, Garcia-Sastre A, Palese P, Krammer F, Poopipatpol K, Wirachwong P, Hjorth R, Innis BL. Safety and immunogenicity of an inactivated recombinant Newcastle disease virus vaccine expressing SARS-CoV-2 spike: Interim results of a randomised, placebo-controlled, phase 1 trial. EClinicalMedicine. 2022 Mar 8;45:101323.
Chancharoenthana W, Leelahavanichkul A, Ariyanon W, Vadcharavivad S, Phatcharophaswattanakul S, Kamolratanakul S, Leaungwutiwong P, Phumratanaprapin W, Wilairatana P. Leaky Gut Syndrome Is Associated with Endotoxemia and Serum (1→3)-β-D-Glucan in Severe Dengue Infection. Microorganisms. 2021 Nov 19;9(11).
Imad HA, Phadungsombat J, Nakayama EE, Suzuki K, Ibrahim AM, Afaa A, Azeema A, Nazfa A, Yazfa A, Ahmed A, Saeed A, Waheed A, Shareef F, Islam MM, Anees SM, Saleem S, Aroosha A, Afzal I, Leaungwutiwong P, Piyaphanee W, Phumratanaprapin W, Shioda T. Clinical Features of Acute Chikungunya Virus Infection in Children and Adults during an Outbreak in the Maldives. Am J Trop Med Hyg. 2021 Aug 2;105(4):946-54.
Mansanguan C, Hanboonkunupakarn B, Muangnoicharoen S, Huntrup A, Poolcharoen A, Mansanguan S, Piyaphanee W, Phumratanaprapin W. Cardiac evaluation in adults with dengue virus infection by serial echocardiography. BMC Infect Dis. 2021 Sep 10;21(1):940.
Chancharoenthana W, Leelahavanichkul A, Ariyanon W, Vadcharavivad S, Phumratanaprapin W. Comparative Long-Term Renal Allograft Outcomes of Recurrent Immunoglobulin A with Severe Activity in Kidney Transplant Recipients with and without Rituximab: An Observational Cohort Study. J Clin Med. 2021 Aug 31;10(17):3939.
Sivakorn C, Dechsanga J, Jamjumrus L, Boonnak K, Schultz MJ, Dondorp AM, Phumratanaprapin W, Ratanarat R, Naorungroj T, Wattanawinitchai P, Siripoon T, Duangdee C, Techarang T. High Mobility Group Box 1 and Interleukin 6 at Intensive Care Unit Admission as Biomarkers in Critically Ill COVID-19 Patients. Am J Trop Med Hyg. 2021 July;105(1):73-80.
Yamanaka A, Imad HA, Phumratanaprapin W, Phadungsombat J, Konishi E, Shioda T. Antibody-dependent enhancement representing in vitro infective progeny virus titer correlates with the viremia level in dengue patients. Sci Rep. 2021 Jun 11;11(1):12354.
Diptyanusa A, Phumratanaprapin W. Predictors and Outcomes of Dengue-Associated Acute Kidney Injury. Am J Trop Med Hyg. 2021 May 3;105(1):24-30.
Imad HA, Matsee W, Kludkleeb S, Asawapaithulsert P, Phadungsombat J, Nakayama EE, Suzuki K, Leaungwutiwong P, Piyaphanee W, Phumratanaprapin W, Shioda T. Post-Chikungunya Virus Infection Musculoskeletal Disorders: Syndromic Sequelae after an Outbreak. Trop Med Infect Dis. 2021 Apr 15;6(2):52.
Imad HA, Phadungsombat J, Nakayama EE, Kludkleeb S, Matsee W, Ponam T, Suzuki K, Leaungwutiwong P, Piyaphanee W, Phumratanaprapin W, Shioda T. Chikungunya Manifestations and Viremia in Patients WhoPresented to the Fever Clinic at Bangkok Hospital for Tropical Diseases during the 2019 Outbreak in Thailand. Trop Med Infect Dis. 2021 Jan 21;6(1):12.
Phadungsombat J, Imad H, Rahman M, Nakayama EE, Kludkleeb S, Ponam T, Rahim R, Hasan A, Poltep K, Yamanaka A, Matsee W, Piyaphanee W, Phumratanaprapin W, Shioda T. A Novel Sub-Lineage of Chikungunya Virus East/Central/South African Genotype Indian Ocean Lineage Caused Sequential Outbreaks in Bangladesh and Thailand. Viruses. 2020 Nov 17;12(11):1319.
Chhong LN, Poovorawan K, Hanboonkunupakarn B, Phumratanaprapin W, Soonthornworasiri N, Kittitrakul C, Nontprasert A, Pukrittayakamee S. Prevalence and clinical manifestations of dengue in older patients in Bangkok Hospital for Tropical Diseases, Thailand. Trans R Soc Trop Med Hyg. 2020 Sep 1;114(9):674-81.
Nunthavichitra S, Phumratanaprapin W, Chotivanich K, Poovorawan K, Piyaphanee W, Tantawichien T. Factors associated with severe dengue infection in adults. Southeast Asian J Trop Med Public Health. 2020 Sep 11;51(4)549-58.
Sharma C, Poovorawan K, Piyaphanee W, Soonthornworasiri N, Angsuwatcharakon P, Phumratanaprapin W, Leowattana W, Wilairatana P. Incidence of Travelers' Diarrhea among Adult Foreign Travelers in Thailand: A Prospective Study. Am J Trop Med Hyg. 2020 May;102(5):1009-15.
Imad HA, Phumratanaprapin W, Phonrat B, Chotivanich K, Charunwatthana P, Muangnoicharoen S, Khusmith S, Tantawichien T, Phadungsombat J, Nakayama E, Konishi E, Shioda T. Cytokine Expression in Dengue Fever and Dengue Hemorrhagic Fever Patients with Bleeding and Severe Hepatitis. Am J Trop Med Hyg. 2020 May;102(5):943-50.
Diptyanusa A, Phumratanaprapin W, Phonrat B, Poovorawan K, Hanboonkunupakarn B, Sriboonvorakul N, Thisyakorn U. Characteristics and associated factors of acute kidney injury among adult dengue patients: A retrospective single-center study. PLoS ONE. 2019 Jan; 14(1): e0210360.
Mansanguan C, Phumratanaprapin W, Hanboonkunupakarn B, Muangnoicharoen S, Huntrup, A, Poolcharoen A. CARDIAC EVALUATION IN ADULTS WITH DENGUE INFECTION BY SERIAL ECHOCARDIOGRAPHY. 2019;101:157
Pisutsan P, Soonthornworasiri N, Matsee W, Phumratanaprapin W, Punrin S, Leowattana W, Mansanguan C, Leshem E, Piyaphanee W. Incidence of health problems in travelers to Southeast Asia: a prospective cohort study. J Travel Med. 2019 Oct 14;26(7):taz045.
Thi Vo T, Poovorawan K, Charoen P, Soonthornworasiri N, Nontprasert A, Kittitrakul C, Phumratanaprapin W, Tangkijvanich P. Association between Hepatitis B Surface Antigen Levels and the Risk of Hepatocellular Carcinoma in Patients with Chronic Hepatitis B Infection: Systematic Review and Meta-Analysis. Asian Pac J Cancer Prev. 2019 Aug 1;20(8):2239-2246.
Singhaboot Y, Keayarsa S, Piaraksa N, Phumratanaprapin W, Kunawut P, Dondorp A, Chotivanich K*. Temperature Dependence of Plasmodium falciparum Erythrocytic Stage Development. American Journal of Tropical Medicine and Hygiene. 2019 May; 100(5): 1191-5
Mansanguan C, Phumratanaprapin W. Concomitant Plasmodium vivax malaria and murine typhus infection with pulmonary involvement. BMJ Case Rep. 2018 Dec; 11(1): e226139.
Panyasong S, Pitaksajjakul P, Judprasong K, Phumratanaprapin W, Kittitrakul C, Kaewprasert S, Ramasoota P. The prebiotic effects of dietary Jerusalem artichoke (kaentawan) in healthy Thai adults. Suranaree Journal of Science and Technology. 2018 Sep; 25(3): 319-30.
Martinez Vega R, Phumratanaprapin W*, Phonrat B, Dhitavat J, Sutherat M, Choovichian V. Differences in Liver Impairment Between Adults and Children with Dengue Infection. American Journal of Tropical Medicine and Hygiene. 2016 May 94(5): 1073-9
Poovorawan K, Thu AM, Sutherat M, Phumratanaprapin W, Wisedopas N, Luvira V*,Chierakul W. Hepatic lymphoma and Splenic Aspergillosis Mimicking Hepatosplenic Abscesses From Melioidosis in Thailand.Southeast Asian Journal of Tropical Medicine and Public Health. 2016 Mar 47(2):223-6
Thu A, Poovorawan K*, Kittitrakul C, Nontprasert A, Sriboonvorakul N, Phumratanaprapin W, Tangkijvanich P, Leowattana W, Wilairatana P. Nephrotoxicity caused by oral antiviral agents in patients with chronic hepatitis B treated in a hospital for tropical diseases in Thailand. BMC Pharmacology and Toxicology. 2015 Dec 16(1): 38
Piyaphanee W*, Kittitrakul C, Lawpoolsri S, Tangkanakul W, Sa-Ngiamsak N, Nasok P, Wongchai S, Ponam T, Wichianprasat P, Phumratanaprapin W. Incidence and spectrum of health problems among travelers to Laos. Journal of Travel Medicine, 2014, May, 21(3):163-8
Piyaphanee W*, Kittitrakul C, Lawpoolsri S, Gautret P, Kashino W, Tangkanakul W, Charoenpong P, Ponam T, Sibunruang S, Phumratanaprapin W, Tantawichien T. Risk of Potentially Rabid Animal Exposure among Foreign Travelers in Southeast Asia.PLoS Neglect Trop Dis 2012 Sep;6(9):1852
Setthapramote C, Sasaki T, Puiprom O, Limkittikul K, Pitaksajjakul P, Pipattanaboon C, Sasayama M, Leuangwutiwong P, Phumratanaprapin W, Chamnachanan S, Kusolsuk T, Jittmittraphap A, Asai A, Arias JF, Hirai I, Kuhara M, Okuno Y, Kurosu T, Ramasoota P, Ikuta K. Human monoclonal antibodies to neutralize all dengue virus serotypes using lymphocytes from patients at acute phase of the secondary infection. Biochem Biophys Res Commun. 2012 Jul 13;423(4):867-72. doi: 10.1016/j.bbrc.2012.06.057
Krudsood S, Looareesuwan S, Tangpukdee N, Wilairatana P, Phumratanaprapin W, Leowattana W, Chalermrut K, Ramanathan S, Navaratnam V, Olliaro P, Vaillant M, Kiechel JR, Taylor WRJ. New fixed-dose artesunate-mefloquine formulation against multidrug-resistant Plasmodium falciparum in adults: A comparative phase IIb safety and pharmacokinetic study with standard-dose nonfixed artesunate plus mefloquine. Antimicrobial Agents and Chemotherapy 2010 Sep;54(9):3730-7.
Piyaphanee W, Shantavasinkul P, Phumratanaprapin W, Udomchaisakul P, Wichianprasat P, Benjavongkulchai M, Ponam T and Tantawichian T. Rabies Exposure Rick among Foreign Backpacker in Southeast Asia. Am.J.Trop.Med.Hyg. 2010;82(6):1168-1171.
Blacksell SD, Sharma NP, Phumratanaprapin W, Jenjaroen K, Peacock SJ, White NJ, Pukrittayakamee S, and Day NP. Serological and blood culture investigations of Nepalese fever patients. Trans R Soc Trop Med Hyg 2007 Jul;101(7):686-90.
Thanachartwet V, Phumratanaprapin W, Desakorn V, Sahassananda D, Wattanagoon Y, Chaiprasert A, Aimpun P, and Supaporn T. Viral hepatitis infections among dialysis patients: Thailand registry report. Nephrology ( Carlton) 2007 Aug;12(4):399-405.
Sharma NP, Peacock SJ, Phumratanaprapin W, Day N, White N, Pukrittayakamee S. A hospital-based study of bloodstream infections in febrile patients in Dhulikhel Hospital Kathmandu University Teaching Hospital, Nepal. Southeast Asian J Trop Med Public Health. 2006 Mar;37(2):351-6.
Thanachartwet V, Krudsood S, Wilairatana P, Phumratanaprapin W, Silachamroon U, Looareesuwan S. Peripheral gangrene in patients with severe falciparum malaria: report of 3 cases. Korean J Parasitol. 2006 Jun;44(2):139-43.
Phumratanaprapin W, Krairittichai U, Chanthawanich N, Thanakitchuru P, Jirajan B, Lelamali K, Tosukhowong T, Looareesuwan S. Acute renal failure in severe malaria: A study of incidence, outcome and associated factors. J Nephrol Soc Thai 2002 May-Aug; 8(2): 180-91.
Pitisuttithum P, Cohen MB, Phonrat B, Suthisarnsuntorn U, Bussaratid V, Desakorn V, Phumratanaprapin W, Singhasivanon P, Looareesuwan S, Schiff GM, Ivanoff B, Lang D. A human volunteer challenge model using frozen bacteria of the new epidemicserotype, V. cholerae O139 in Thai volunteers. Vaccine 2002 Dec 12; 20(5-6): 920-25.
Nacher M, Singhasivanon P, Gay F, Phumratanaprapin W, Silachamroon U, Looareesuwan S. Association of helminth infection with decreased reticulocyte counts and hemoglobin concentration in Thai falciparum malaria. Am J Trop Med Hyg 2001 Oct; 65(4): 335-37.
Nacher M, Singhasivanon P, Gay F, Silachomroon U, Phumratanaprapin W,Looareesuwan S. Contemporaneous and successive mixed Plasmodium falciparum and Plasmodium vivax infections area associated with Ascaris lumbricoides: an immunomodulating effect? J Parasitol 2001 Aug; 87(4): 912-5.
Nacher M, Singhasivanon P, Traore B, Dejvorakul S, Phumratanaprapin W, Looareesuwan S, Gay F. Short report: Hookworm infection is associated with decreased body temperature during mild Plasmodium falciparum malaria. Am J Trop Med Hyg 2001 Aug; 65(2): 136-37.
Silachamroon U, Phumratanaprapin W, Krudsood S, Treeprasertsuk S, BudsaratidV, Pornpininworakij K, Wilairatan P, Looareesuwan S. Frequency of early rising parasitemia in falciparum malaria treated with artemisinin derivatives. Southeast Asian J Trop Med Public Health 2001 Mar; 32(1): 50-6.
Krudsood S, Chokejindachai W, Silachamroon U, Phumratanaprapin W, Viriyavejakul P, Bussaratid V, Looareesuwan S. Clinical malaria and treatment of multidrug resistance falciparum in Thailand. Jpn J Trop Med Hyg 1999; 27(1): 181-88.
Wilairatana P, Silachamroon U, Krudsood S, Singhasivanon P, Treeprasertsuk S, Bussaratid V, Phumratanaprapin W, Srivilirit S, Looareesuwan S. Efficacy of primaquine regimens for primaquine-resistant Plasmodium vivax malaria in Thailand. Am J Trop Med Hyg 1999 Dec; 61(6): 973-77.