Risk factors of lower extremity deep vein thrombosis before operation in elderly patients with hip fracture
Yue Rui, Li Xiaoyu, Yang Minghui, Liu Xiaoyan, Fan Bin, Zhang Ping
Journal of Capital Medical University . 2020, (3): 458 -463 .  DOI: 10.3969/j.issn.1006-7795.2020.03.025