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- Clinical Characteristics and Outcomes of Geriatric Patients in Upper Gastrointestinal Bleeding
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- Department of Internal Medicine, The Catholic University of Korea School of Medicine, Seoul, Korea
- Sung Kyu Choi, Soong Lee, Ki Sang Lee, Seung Chul Pack, Hyeon Min Lee, Jae Kyu Lim, David Hwang, Seong Il Park, Hoon Kang
- 가톨릭대학교 의과대학 내과학교실