Restrictive versus liberal strategy for red blood-cell transfusion in hip fracture patients: A systematic review and meta-analysis.
Zhu, Chao MD a; Yin, Jian MD a; Wang, Bin MD a; Xue, Qingmei MD a; Gao, Shan MD a; Xing, Linyu MD b; Wang, Hua MD a; Liu, Wei MD a; Liu, Xinhui PhD a,*
[Article] Medicine. 98(32):e16795, August 2019.

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