Journal of the Medical Association of Thailand = Chotmaihet thangphaet 2007 https://researcherprofiles.org/profile/1458682 18181332 Vemula S, Kerr S, Pancharoen C, Siripong A, Kosalaraksa P, Engchanil C, Chuamchaitrakool A, Intasan J, Lumbiganond P, Phanuphak P, Ananworanich J