Porncharoenpong,, Suchat; Department of Anatomical Pathology, Buddhachinaraj Phitsanulok Hospital2011-03-112011-03-112011-03-102011-03-10Buddhachinaraj Medical Journal; Vol.27 (Supplement 1) May-Augst 2010; 429http://imsear.searo.who.int/handle/123456789/134462no abstracten-USBuddhist Hospital, Phitsanulok, ThailandQuiz