Meta-Analysis
Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 7, 2014; 20(1): 303-309
Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.303
Figure 4
Figure 4 Funnel plots. A: Blood loss; B: Blood transfusion; C: Duration of operation.