Rationale and Methods for a Trial Assessing Placebo, Echinacea, and Doctor-Patient Interaction in the Common Cold
Clinical medicine and healthcare policy are increasingly guided by randomized controlled trials, which in turn are dependent on the validity of placebo control. It is important to understand the effects of placebo control on outcome measurement, especially for assessment of symptoms and functional i...
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Veröffentlicht in: | Explore (New York, N.Y.) N.Y.), 2007-11, Vol.3 (6), p.561-572 |
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