Systematic Reviews
Copyright ©The Author(s) 2017.
World J Gastroenterol. Feb 21, 2017; 23(7): 1298-1309
Published online Feb 21, 2017. doi: 10.3748/wjg.v23.i7.1298
Figure 1
Figure 1 PRISMA flow diagram, from Moher et al[45]. For more information, visit http://www.prisma-statement.org.