Systematic Reviews
Copyright ©The Author(s) 2015.
World J Gastroenterol. Aug 7, 2015; 21(29): 8964-8973
Published online Aug 7, 2015. doi: 10.3748/wjg.v21.i29.8964
Figure 1
Figure 1 Flowchart of trials. Flowchart of search string.