Arunee JetsrisuparbSurapon WiangnonPatcharee Komvilaisak2011-02-242011-02-242010-04-102010-04-10Srinagarind Medical Journal (SMJ); Vo. 15 No. 3 July - September 2000; 206-214http://imsear.searo.who.int/handle/123456789/133561no abstracten-USAcademic Affairs, Faculty of Medicine, Khon Kaen University, KhonKaen, ThailandReview Articles