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Copyright ©2010 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 28, 2010; 16(40): 5035-5041
Published online Oct 28, 2010. doi: 10.3748/wjg.v16.i40.5035
Figure 1
Figure 1 Flow chart article inclusion. RCTs: Randomized clinical trials.