ธีรวรรณ วะน้ำค้าง2011-02-222011-02-222010-03-152010-03-15Royal Thai Airforce Medical Gazette; Vol.55 No.2 May-August 2009; 53http://imsear.searo.who.int/handle/123456789/131826Abstract not availableen-USRoyal Thai Airforce, Directorate of Medical Services, ThailandSpecial Article