2008

Chingunpitak J, Puttipipatkhachorn S, Chavalitshewinkoon -Petmitr P, Tozuka Y, Moribe K, Yamamoto K. Formation, physical stability and in vitro antimalarial activity of dihydroartemisinin nanosuspensions obtained by co-grinding method. Drug Development and Industrial Pharmacy, 2008; 34: 314-322.

Udonsom R, Lekkla A, Chung PTT, Cam PD, Sukthana Y. Seroprevalence of Toxoplasma gondii Antibody in Vietnamese Villagers. Southeast Asian J Trop Med Public Health. 2008;39(1):14-8.

Sukthana Y, Mahittikorn A, Waree P, Pongponratn E, Chaisri U, Wickert H, Ferguson D J P. Understanding Centennial Toxoplasma gondii by High Technology Methods. ICTM 2008, Korea

Leelayoova S, Suputtamongkol Y, Subrungruang I, Worapong J, Chavalitshewinkoon -Petmitr P, Mungthin M. Annals of Tropical Medicine and Parasitology 2008; 102: 1-3.

Sukprasert S, Rattaprasert P, Hamzah Z, Shipin OV, Chavalittshewinkoon -Petmitr P. Detection of Entamoeba spp. From surface and waste water samples by PCR using genus-specific primers.
Southeast Asian J Trop Med Public Health 2008 (in press)

Sutthikornchai C, Lekkla A, Tantawiwattananon N, Sukthana Y. Large-Volume Collection: a Recommended Technique for Protozoa Detection in Water. ICTM 2008, Korea

Arthan D, Sithiprom S, Thima K, Chavalitshewinkoon - Petmitr P, Limmatvatirat C, Svasti J. Inhibitory effects of b -glycosides purified from Thai plants on Trichomonas vaginalis. Parasitology Research 2008 (in press)

Chiabchalard R, Thima K, Sutthikornchai C, Udonsom R, Thongrungkiat S, Sukthana Y. Detecting Giardia Contamination in Thai Vegetables. ICTM 2008, Korea

Lekkla A, Sutthikornchai C, Suwanakeeree Y, Lertlaituan P, Sukthana Y. Comparative Study Of Three Laboratories For Detecting Cryptosporidium In Stool Samples. ICTM 2008, Korea

Anceno AJ, Katayama H, Houpt ER, Chavalitshewinkoon - Petmitr P, Chyluun B, Shipin OV. IMS-free DNA extraction for the PCR-based detection and quantification of Cryptosporidium parvum and Giardia lamblia in surface and waste water. International Journal of Environment Health Research 2007; 17: 297-310.

Waree P, Ferguson DJ, Pongponratn E, Chaisri U, Sukthana Y. Immunohistochemical study of acute and chronic toxoplasmosis in experimentally infected mice. Southeast Asian J Trop Med Public Health. 2007;38(2):223-31.

Sukthana Y. Giardia and Cryptosporidium as Biohazard in Frozen Food Products. Presented in Giardia and Cryptosporidium Symposium 2007 Morelia, Mexico

Thima K, Chiabchalard R, Sutthikornchai C, Kajorndechakiat S, Thongrungkiat S, Sukthana Y. Detection of Food-Borne Pathogenic in Thai Vegetables. JITMM 2007, Bangkok, Thailand.

Nunthawarasilp P, Petmitr S, Chavalitshewinkoon -Petmitr P. Partial purification and characterization of DNA polymerase b -likeenzyme from Plasmodium falciparum. Molecular & Biochemical Parasitology2007;154:141-147.

Inpankaew T, Traub R, Thompson RC, Sukthana Y. Canine parasitic zoonoses in Bangkok temples. Southeast Asian J Trop Med Public Health. 2007;38(2):247-55.

Sukthana Y. Toxoplasmosis: beyond animals to humans. Trends Parasitol 2006;22(3):137-42.

Buddhirongawatr R, Tungsudjai S, Chaichoune K, Sangloung C, Tantawiwattananon N, Phonaknguen R, Sukthana Y. Detection of Toxolasma gondii in captive wild felids. Southeast Asian J Trop Med Public Health. 2006;37 Suppl 3:15-7.

Sukthana Y. Should Protozoa be Considered as Threat to Food and Water Bio-Safety? Presented in Joint International Tropical Medicine Meeting 2006, Bangkok, Thailand

Udonsom R, Phan Thi Thu Chung, Cam Phung Dac, Sukthana Y. Seroprevalence of Toxoplasma gondii antibody in Vietnamese villagers. JITMM 2006 Bangkok, Thailand

Hamzah Z, Petmitr S, Mungthin M, Leelayoova S, Chavalitshewinkoon-Petmitr P. Differential Detection of Entamoeba histolytica, Entamoeba dispar, and Entamoeba moshkovskii by a Single-Round PCR Assay. J Clin Microbiol. 2006 September; 44(9): 3196–00.

Sangloung C, Buddhirongawatr R, Tantawiwattananon N, Sukthana Y. In vivo culture of Cryptosporidium oocysts for laboratory use. Southeast Asian J Trop Med Public Health. 2006;37 Suppl 3:18-20.

Suntornthiticharoen P, Petmitr S, Chavalitshewinkoon-Petmitr P. Purification and characterization of a novel 3’-5’ DNA helicase from Plasmodium falciparum and its sensitivity to anthracycline antibiotics. Parasitology 2006; 133:389-398.

Tantawiwattananon N, Sangloung C, Buddhirongawatr R, Sukthana Y. Cultivation of Giardia duodenalis in Mongolian gerbils.Southeast Asian J Trop Med Public Health. 2006;37 Suppl 3:21-3.

Leelayoova S, Subrungruang I, Suputtamongkol Y, Worapong J Chavalitshewinkoon-Petmitr P, Mungthin M. Identification of genotypes of Enterocytozoonbieneusi from human immunodeficiency virus-infected patients in Thailand. Journal of Clinical Microbiology2006; 44: 3001-3004.

Jittapalapong S, Pinyopanuwat N, Chimnoi W, Siripanth C, Stich RW. Prevalence of Cryptosporidium among dairy cows in Thailand. Ann N Y Acad Sci. 2006;1081:328-35.

Leelayoova S, Subrungruang I, Rangsin R, Chavalitshewinkoon - Petmitr P, Worapong J, Naaglor T, Mungthin M. Transmission of Enterocytozoonbieneusi Genotype A in Thai orphanage. Am J Trop Med Hygiene 2005;73(1) :104-107.

Lekkla A, Sutthikornchai C, Bovornkitti S, Sukthana Y. Free-Living Ameba Contamination In Natural Hot Springs In Thailand. Southeast Asian J Trop Med Public Health. 2005; 36(suppl 4):5-9.

Mahittikorn A, Wickert H, Sukthana Y. Comparision of five DNA extraction methods and optimization od a B1 gene nested PCR (n-PCR) for detection of Toxoplasma gondii tissue cysts in mouse brains. Southeast Asian J Trop Med Public Health. 2005; 36(6):1377-82.

Chiabchalard R, Wiengcharoen TJ, Sukthana Y. Sensitivity and specificity of Polymerase chain reaction for the detection of Toxoplasma gondii DNA added to laboratory samples. Southeast Asian J Trop Med Public Health. 2005;36(2):408-11.

Siripanth C, Punpoowong B, Riganti M. Early detection and identification of amphizoic amoebae from nasal exudates of a symptomatic case. J Med Assoc Thai. 2005;88(4):545-9.

Siripanth C. Amphizoic amoebae: pathogenic free-living protozoa; review of the literature and review of cases in Thailand. J Med Assoc Thai. 2005;88(5):701-7.

Marahatta SB, Sharma N, Koju R, Makaju K, Petmitr P, and Petmitr S. Cancer: determinants and progression. Nepal Med Col J 2005; 7: 65-71.

Sukthana Y, Rigunti M, Siripanth C, Kusolsuk T, Chintrakarn C, Kulpaditharom B. An exotic sinusitis. Trans R Soc Trop Med Hyg 2005;99:555-7.

Sukthana Y, Lekkla A, Sutthikornchai C, Wanapongse P, Vejjajiva A, Bovornkitti S. Spa, Springs and Safety. Southeast Asian J Trop Med Public Health. 2005; 36(suppl 4):10-6.

Sukthana Y, Lekkla A, Inprankaew T, Suttikhornchai C, Kaewkungwal J, Wickert H, Traub R, Thompson A. Buddhism and Zoonoses. Parasitology Meeting 2005, Perth, Australia

Nithikathkul C, AkarachantachoteN, Wannapinyosheep S, Pumdonming W, Brodsky M, Sukthana Y. Impact of health educational programmes on the prevalence of enterobiasis in schoolchildren in Thailand. J Helminthol. 2005 Mar;79(1):61-5.

Sutthikornchai C, Jantanavivat C, Thongrungkiat S, Harnroongroj Talabporn, Sukthana Y. Protozoal Contamination Of Water Used In Thai Frozen Food Industry. Southeast Asian J Trop Med Public Health. 2005; 36(suppl 4):41-5.

Siribal S, Nakasiri S, Looareesuwan S, Chavalitshewinkoon - Petmitr P. Identification of human malaria parasites and detection of mixed infection in Thai patients by nested PCR. Southeast Asian J Trop Med Public Health 2004;35:5-9.

Umbhan P, Paveenkittiporn W, Wootta W, Sukthana Y, Wanapongse P, Kruasilp J, et. Al. Study of Natural Hot Springs in Petchabun Province. Int Med J Thai 2004;20(3): 222-4.

Sukthana Y. Cost-Effectiveness of Toxoplasmosis Screening in Neonatal. JITMM 2003 Bangkok, Thailand

Rojpibulstit P, Kangsadalampai S, Ratanavalachai T, Denduangboripant J, Chavalitshewinkoon-Petmitr P. Glutathione-S-transferases from chloroquine-resistant and – sensitive strains of Plasmodium falciparum: What are their differences? Southeast Asian J Trop Med Public Health 2004;35:292-299.

Kietmetha V, Jirenanakhon J, Kanghae T, Paveenkittiporn W, Wootta W, Sukthana Y, et al. Study of Natural Hot Springs in Patalung and Trang Provinces. Int Med J Thai 2004;20(3): 207-10.

Watankul P, Paveenkittiporn W, Wootta W, Kruasilp J, Wanapongse P, Sukthana Y, et. Al. Study of Natural Hot Springs in Ranong and Chumporn Provinces. Int Med J Thai 2004;20(3): 218-21.

Kietmetha V, Jirenanakhon J, Kanghae T, Paveenkittiporn W, Wootta W, Sukthana Y, et al. Study of Natural Hot Springs in Patalung and Trang Provinces. Int Med J Thai 2004;20(3): 207-10.

Watankul P, Paveenkittiporn W, Wootta W, Kruasilp J, Wanapongse P, Sukthana Y, et. Al. Study of Natural Hot Springs in Ranong and Chumporn Provinces. Int Med J Thai 2004;20(3): 218-21.

Puthimethee V, Wanapongse P, Paveenkittiporn W, Wootta W, Dejsirilert S, Sukthana Y, et. Al. Study of Natural Hot Springs in Kamhaephet Province. Int Med J Thai 2004;20(3): 225-7.

Siripanth C, Punpoowong B, Amarapal P, Thima N. Development of Isospora belli in Hct-8, Hep-2, human fibroblast, BEK and Vero culture cells. Southeast Asian J Trop Med Public Health. 2004;35(4):796-800.

Siripanth C, Punpoowong B, Amarapal P, Thima N, Eampokalap B, Kaewkungwal J. Comparison of Cryptosporidium parvum development in various cell lines for screening in vitro drug testing. Southeast Asian J Trop Med Public Health. 2004 Sep;35(3):540-6.

Sawangjaroen N, Subhadhirasakul S, Phongpaichit S, Siripanth C, Jamjaroen K, Sawangjaroen K. The in vitro anti-giardial activity of extracts from plants that are used for self-medication by AIDS patients in southern Thailand. Parasitol Res. 2005;95(1):17-21. Epub 2004 Nov 18.

Cheeramakara C, Nontprasert A, Siripanth C, Tanomsak W, Chularerk U, Sucharit P, Areekul S. The hematological status, plasma vitamin B12 and folic acid levels, and intestinal pathology in rats infected with Giardia lamblia. Southeast Asian J Trop Med Public Health. 2004;35(4):811-6.

Subrungruang I, Mungthin M, Chavalitshewinkoon – PetmitrP, Rangsin R, Naaglor T, Leelayoova S. Evaluation of DNA Extraction and PCR methods for Detection of Enterocytozoon bienuesi in Stool Specimens. J Clin Microbiol 2004;42:3490-3494.

Wiengcharoen TJ, Chiabchalard R, Sukthana Y. Sensitivity and specificity of PCR technique to detect Toxoplasma gondii in dog and cat amniotic fluid. Southeast Asian J Trop Med Public Health. 2004;35(4):792-5.

Sukthana Y, Wootta W, Paveenkittiporn W, Lekkla A, Dejsirilert S, Kruasilp J, et al. Hazard Pollutants in Natural Hot Springs, Lopburi Province, Thailand. Int Med J Thai 2004;20(3): 211-4.

Sukthana Y. Spa, Springs and Safety. JITMM 2004, Bangkok, Thailand

Kainara U, Tongrungkait S, Lekkla A, Petmitr P, Sukthana Y. Comparison study of Indirect Fluorescence Antibody and Sabin-Feldman Dye test for Toxoplasma gondii antibody in Thai pregnant women. Southeast Asian J Trop Med Public Health. 2004;35 (Suppl1):37-9.

Kwanmuaeng B, Wiwat L, Sukthana Y, Lekkla A, Wootta W, Paveenkittiporn W, et al. Study of Natural Hot Springs in Nakhon Si Thammarat and Syrat Thani Provinces. Int Med J Thai 2004;20(3): 168-73.

Sukthana Y, Supathanapong W. Leishmaniasis in Thailand. Dorabji Tata Symposium on Trends and Research in Leishmaniasis. 2005 Bangalore , India

Hamzah Z, Petmitr S, Mungthin M, Chavalitshewinkoon - Petmitr P. Identification of Cryptosporidium parvum genotype from HIV and non-HIV fecal samples by PCR. Southeast Asian J Trop Med Public Health 2004;35:30-34.

Pongpannitanont P, Wootta W, Paveenkittiporn W, Sukthana Y, Paveenkittiporn W, Lekkla A. Study of Hot Springs in Phang-nga Province. Int Med J Thai 2004;20(3): 215-7.

Nagao Y, Chavalitshewinkoon - Petmitr P, Noedl H, Thongrungkiat S, Krudsood S, Sukthana Y, Nacher M, Wilairatana P, Looareesuwan S. Paroxysm serum from a case of Plasmodium vivax malaria inhibits the maturation of P. falciparum schizonts in vitro. Ann Trop Med Parasitol. 2003 Sep;97(6):587-92.

Sukthana Y, Waree P, Pongponratn E, Chaisri U, Riganti M. Pathologic study of acute toxoplasmosis in experimental animals. Southeast Asian J Trop Med Public Health. 2003;34(1):16-21.

Sukthana Y. How do Thai Acquire Toxoplasma gondii infection? JITMM 2003, Bangkok, Thailand

Chavalitshewinkoon - Petmitr P, Ramdja M, Kajorndechakiat S, Ralph RK, Denny WA, Wilairat P. In vitro sensitivity of Trichomonas vaginalis to AT-specific minor groove binding drugs. Journal of Antimicrobial Chemotherapy 2003;52:287-289.

Sukthana Y, Kaewkungwal J, Jantanavivat C, Lekkla A, Chiabchalard R, Aumarm W. Toxoplasma Gondii Antibody In Thai Cats And Their Owners. Southeast Asian J Trop Med Public Health. 2003;34(3):733-7

Sirivichayakul C, Pojjaroen-anant C, Wisetsing P, Siripanth C, Chanthavanich P, Pengsaa K. Prevalence of intestinal parasitic infection among Thai people with mental handicaps. Southeast Asian J Trop Med Public Health. 2003;34(2):259-63.

Noedl H, Wongsrichanalai C, Miller RS, Myint KS, Looareesuwan S, Sukthana Y, Wongchotigul V, Kollaritsch H, Wiedermann G, Wernsdorfer WH. Plasmodium falciparum: effect of anti-malarial drugs on the production and secretion characteristics of histidine-rich protein II. Exp Parasitol. 2002;102(3-4):157-63.

Sukthana Y. Acute Toxoplasmosis in Experimental Mice. JITMM 2002 Bangkok, Thailand

Siripanth C, Phraevanich R, Suphadtanaphongs W, Thima N, Radomyos P. Cyclospora cayetanensis: oocyst characteristics and excystation. Southeast Asian J Trop Med Public Health. 2002;33 Suppl 3:45-8.

Chavalitshewinkoon - Petmitr P, Pongvilairat G, Ralph RK, Denny WA, Wilairat P. Inhibitory effects of 9-anilinoacridines on Plasmodium falciparum gametocytes. Trop Med and Inter Health 2001; 6: 42 -45.

Sukthana Y. Chintana T, Damrongkitchaiporn S, Lekkla A. Toxoplasma gondii Antibody in Kidney Transplanted Recipients. J Med Assoc Thai 2001;84(8):1137-41.

Sukthana Y. Diagnosis of Toxoplasmosis. JITMM 2001 Bangkok, Thailand

Sukthana Y, Chintana T, Supathanapong W, Siripanth C, Lekkla A, Chiabchalard R. Predictive value of Latex Agglutination Test in Screening of Toxoplasmosis. Southeast Asian J Trop Med Public Health 2001;32(2):314-8.

Tantivanich S, Amarapal P, Suphadtanaphongs W, Siripanth C, Sawatmongkonkun W. Prevalence of congenital cytomegalovirus and Toxoplasma antibodies in Thailand. Southeast Asian J Trop Med Public Health. 2001;32(3):466-9

Chavalitshewinkoon-Petmitr P, Worasing R, Wilairat P. Partial purificaion and characterization of mitochondrial DNA topoisomerase II from Plasmodium falciparum and its sensitivity to inhibitors. Southeast Asian J Trop Med Public Health 2001;32:733-738.

Chavalitshewinkoon - Petmitr P, Chawprom S, Naesens L, BalzariniJ, Wilairat P. Partial purificaion and characterizationof mitochondrialDNA polymerase from Plasmodium falciparum. Parasitology International 2000;49:279-288.

Sukthana Y. Chintana T, Lekkla A. Toxoplasma gondii antibody in HIV-infected persons. J Med Assoc Thai 2000; 83(6): 681-4.

Sukthana Y, Chintana T, Supathanapong W, Siripanth C, Lekkla A, Chiabchalard R. Prevalence of Toxoplasmosis in Selected Populations in Thailand. Trop Med Parasitol 2000; 23(2): 53-8.

Sukthana Y. Toxoplasmosis in Organ Recipients. JITMM 2000 Bangkok, Thailand

Sukthana Y. Toxoplasmosis in Thai Pregnant Women. Parasitic Symposium 2000 Oxford, UK

Chavalitshewinkoon - Petmitr P, Pongvilairat G, Auparakkitanon S, Wilairat P. Gametocytocidal activity of pyronaridine and DNA topoisomerase II inhibitors against multidrug-resistant Plasmodium falciparum in vitro. Parasitology International 2000;48: 275-280.

Khai PN, Van NT, Lua TT, Huu VT, Dang DT, Huong PT, Salazar N, Sukthana Y, Singhasivanon P. The situation of malaria along the Vietnam-Lao PDR border and some related factors. Southeast Asian J Trop Med Public Health. 2000;31 Suppl 1:99-105

Chavalitshewinkoon - Petmitr P, Ramdja M, Kajorndechakiat S. In vitro sensitivity of Trichomonas vaginalis to DNA topoisomerase II inhibitors. Southeast Asian J Trop Med Public Health 2000;31:118-122.

Sukthana Y. Difference of Toxoplasma gondii antibodies between Thai and Austrian pregnant women. Southeast Asian J Trop Med Public Health. 1999 Mar;30(1):38-41.

Tantivanich S, Suphadtanaphongs V, Siripanth C, Desakorn V, Suphanit I, Phromin S, Panakitsuwan S, Amarapand P. Prevalence of cytomegalovirus antibodies among various age groups of Thai population. Southeast Asian J Trop Med Public Health. 1999;30(2):265-8.

Chintana T, Sukthana Y, Bunyakai B, Lekkla A. Toxoplasma gondii antibody in pregnant women with and without HIV infection. Southeast Asian J Trop Med Public Health. 1998 Jun;29(2):383-6.

Petmitr P, Pongvilairat G, Wilairat P. Large scale cultivation of purePlasmodium falciparum gametocytes. Southeast Asian J Trop Med Public Health 1997;28: 18-21.

Thammapalerd N, Sherchand JB, Kotimanusvanij D, Chintana T, Tharavanij S. Monoclonal antibody-based ELISA for the detection of circulating Entamoebahistolytica antigen in hepatic amebiasis in hamsters (Mesocricetus auratus). Southeast Asian J Trop Med Public Health. 1996;27(4):760-4.

Siripanth C, Chintana T, Tharaphan Y, Lekkra A. Cloning of Thai strain Giardia intestinalis. Asian Pac J Allergy Immunol. 1995;13(1):71-3.

Petmitr P, Pongvilairat G, Wilairat P. Development of cultivationtechnique for pure Plasmodium falciparum gametocytes. Southeast Asian J Trop Med Public Health 1995;26:606-610.

Chavalitshewinkoon P, Leelaphiwat S, Wilairat P. Partial purification and characterization of DNA topoisomerase II from Plasmodium falciparum. Southeast Asian J Trop Med Public Health 1994; 25: 32-36.

Chavalitshewinkoon P. DNA replicating enzymes: new targets for antimalarials. Chula Med J 1994; 38(6):349-360.

Chavalitshewinkoon P, De Vries E, Franssen FFJ, Overdulve JP, Van der Vliet PC. Purification and characterization of DNA polymerases from Plasmodium falciparum. Mol Biolchem Parasitol.1993; 61: 243-254.

Chavalitshewinkoon P, Wilairat P, Gamage S, Denny W, Figgitt D, Ralph R. Structure - activity relationships and mode of action of 9-anilino acridines against chloroquine-resistant Plasmodium falciparum in vitro. Antimicrob agents Chemother 1993; 37: 403-406.

Figgitt D, Denny B, Chavalitshewinkoon P, Wilairat P, Ralph R. In-vitro study of anticancer acridines as potential antitrypanosomal and antimalarial agents. Antimicrob agents Chemother 1992; 36: 1644-1647.

Chintana T. Pattern of antibodies in toxoplasmosis of pregnant women and their children in Thailand. Southeast Asian J Trop Med Public Health. 1991;22 Suppl:107-10.

Chavalitshewinkoon P, Wilariat P. A simple technique for large scale in vitro culture of Plasmodium falciparum. Southeast Asian J Trop Med Public Health 1991; 22: 544-547.

De Vries E, Stam JG, Franssen FFJ, Nieuwenhuijs H, Chavalitshewinkoon P, De Clercq E, Overdulve JP, Van der Vliet PC. Inhibition of the growth ofPlasmodium falciparum and Plasmodium berghei by the DNA polymerase inhibitor HPMPA. Mol Biochem Parasitol 1991; 47: 43-50.

Chintana T, Sucharit P, Mahakittikun V, Siripanth C, Suphadtanaphongs W. In vitro studies on the sensitivity of local Entamoeba histolytica to anti-amoebic drugs. Southeast Asian J Trop Med Public Health. 1986 Dec;17(4):591-4.

Sucharit P, Tiewcharoen S, Chintana T, Suphadtanaphongs V, Sucharit S. In vitro studies on the sensitivities of Plasmodium falciparum in Thailand to pyrimethamine and proguanil. Ann Trop Med Parasitol. 1985;79(4):375-7.

Areekul S, Sucharit P, Cheeramakara C, Siripanth C. Acetylcholinesterase activity in red cells infected with Plasmodium falciparum culture in vitro. Southeast Asian J Trop Med Public Health. 1983;14(2):276-7.

Chintana T, Sucharit P, Chongsuphajaisiddhi T, Tongprasoeth N, Suphadtanaphongs W. Prevalence of Trichomonas viginalis in selected groups of the population in Bangkok. Southeast Asian J Trop Med Public Health. 1979 Mar;10(1):162-3.

Sucharit P, Suntharasamai P, Chintana T, Harinasuta T. In vivo and in vitro studies of quinine sensitivity of Plasmodium falciparum in Thailand. Southeast Asian J Trop Med Public Health. 1979;10(1):138-41.

Sucharit P, Uthaischant A, Chintana T, Suphadtanapongs W, Eamsobhana P, Prasomsitti P. In vivo and in vitro studies of tinidazole in Trichomonas vaginalis infection. Southeast Asian J Trop Med Public Health. 1979;10(4):556-61.

Areekul S, Sucharit P, Cheeramakara C, Siripanth C. Acetylcholinesterase activity in red cells infected with Plasmodium falciparum culture in vitro. Southeast Asian J Trop Med Public Health. 1983;14(2):276-7.