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Copyright ©2007 Baishideng Publishing Group Inc.
World J Gastroenterol. Jul 7, 2007; 13(25): 3425-3429
Published online Jul 7, 2007. doi: 10.3748/wjg.v13.i25.3425
Figure 1
Figure 1 Characteristics of the placebo effect and possible confounding mechanisms compared to possible mechanisms of the placebo response[1,26].