title: Comment on Liu et al.: Meta-analysis of randomised controlled trials comparing unipolar with bipolar hemiarthroplasty for displaced femoral-neck fractures.
authors.affiliation: Department of Pharmacy, Zhujiang Hospital, Southern Medical University, No.253, Industrial Road, Haizhu District, Guangzhou, China.
authors.forename: Yan
authors.initials: Y
authors.lastname: Wang
authors.forename: Ning
authors.initials: N
authors.lastname: Zhu
authors.forename: Qingzhuang
authors.initials: Q
authors.lastname: Chen
authors.forename: Yong
authors.initials: Y
authors.lastname: Wang
mesh_terms: D005265:Femoral Neck Fractures / Q000601:surgery*; D062785:Hemiarthroplasty / Q000379:methods*; D006801:Humans; D016032:Randomized Controlled Trials as Topic
references.citation: Int Orthop. 2014 Aug;38(8):1691-6
references.pmid: 24817022
references.citation: Control Clin Trials. 1986 Sep;7(3):177-88
references.pmid: 3802833