Kachintorn, Udom2012-02-102012-02-102006-05Kachintorn Udom. Role of helicobacter pylori in peptic ulcer. Siriraj Medical Journal, 2006 May; 58(5): 819-820.http://imsear.searo.who.int/handle/123456789/136915enRole of helicobacter pylori in peptic ulcer.Article