Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Aug 7, 2013; 19(29): 4718-4725
Published online Aug 7, 2013. doi: 10.3748/wjg.v19.i29.4718
Figure 1
Figure 1 PRISMA flow diagram. IBS: Irritable bowel syndrome.