Editorial
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Feb 21, 2012; 18(7): 589-600
Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.589
Figure 1
Figure 1 Flow diagram of the study selection process. IBS: Irritable bowel syndrome.