Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Feb 28, 2012; 18(8): 821-832
Published online Feb 28, 2012. doi: 10.3748/wjg.v18.i8.821
Figure 2
Figure 2 Gender difference in trials. M-H: Mantel-Haenszel.