Systematic Reviews
Copyright ©The Author(s) 2016.
World J Gastrointest Surg. Jul 27, 2016; 8(7): 533-540
Published online Jul 27, 2016. doi: 10.4240/wjgs.v8.i7.533
Figure 1
Figure 1 Flow chart: Literature search on MEDLINE, EMBASE, LILACS, Scopus, Scielo, Cochrane.