Analysis of incidence, risk factors of death and clinical characteristics of gastrointestinal  bleeding in patients admitted to the department of cardiology
Zhang Ming, Liu Demin, Wang Qian, Geng Xue, Hou Qian, Gu Guoqiang, Xie Ruiqin, Cui Wei
Clinical Focus . 2020, (6): 508 -512 .  DOI: 10.3969/j.issn.1004-583X.2020.06.005