家庭醫學科LEUNG, KAI-KUENKAI-KUENLEUNGYANG, JYH-CHINJYH-CHINYANG2008-12-052018-07-132008-12-052018-07-131999http://ntur.lib.ntu.edu.tw//handle/246246/88519en-USComparison of endoscopic findings in the upper gastrointestinal tract symptomatic and asymptomatic individuals