Gottlieb, S. (2001). No evidence that placebos have powerful clinical effects, study says. BMJ.
Chicago Stili AlıntıGottlieb, Scott. No Evidence That Placebos Have Powerful Clinical Effects, Study Says. BMJ, 2001.
MLA AlıntıGottlieb, Scott. No Evidence That Placebos Have Powerful Clinical Effects, Study Says. BMJ, 2001.
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