Comment on Liu et al.: Meta-analysis of randomised controlled trials comparing unipolar with bipolar hemiarthroplasty for displaced femoral-neck fractures

2014 ◽  
Vol 38 (11) ◽  
pp. 2431-2432
Author(s):  
Xiao-yang Li ◽  
Jie Bu ◽  
Hui Li ◽  
Li-hong Liu ◽  
Tao Xiao
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