ISSN 1004-6879

CN 13-1154/R

　
Journal of Chengde Medical University
A Retrospective Study on the Incidence of Preoperative Deep Vein Thrombosis in Elderly Patients with Hip Fracture
ZHENG Zi-lei, YANG Yan-jiang, LI Hai-ying
Journal of Chengde Medical University . 2021, (5): 392 -395 . 

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