Study on risk prediction model of in-hospital venous thromboembolism in middle-aged and elderly patients
LI Haiyan, LI Rong, ZHI Yanru, WANG Jinping, ZHANG Lingjuan, JIN Zhichao, QIAN Huohong, WANG Xiaohui
Chinese Journal of Nursing . 2020, (1): 68 -73 .  DOI: 10.3761/j.issn.0254-1769.2020.01.011