Tharawit Ouppapong; Bureau of Epidemiology, Department of Disease Control, Ministry of Public Health2011-02-212011-02-212011-01-252011-01-25Journal of the Vector - Borne Diseases; Vol. 6 No. 2 July - December 2009; 29-34http://imsear.searo.who.int/handle/123456789/131309Abstract not availableen-USBureau of the Vector – borne Diseases, Department of Disease Control, Ministry of Public Health, Bangkok, ThailandReview Articles