Review
Copyright ©2014 Baishideng Publishing Group Inc.
World J Surg Proced. Jul 28, 2014; 4(2): 33-47
Published online Jul 28, 2014. doi: 10.5412/wjsp.v4.i2.33
Figure 1
Figure 1 PRISMA flow diagram for the search strategy in PubMed database.