[P-475] Clinical characteristics and risk factors of rebleeding or death in nonvariceal upper gastrointestinal bleeding patients
○Hee Jung Park, Jeong Hoon Lee, Hee Kyong Na, Hyun Lim, Ji Yong Ahn, Kwi-Sook Choi, Do Hoon Kim, Kee Don Choi, Ho June Song, Gin Hyug Lee, Hwoon-Yong Jung, Jin-Ho Kim(Asan Medical Center, Asan Digestive Disease Research Institute, Seoul, Korea)
