EDITOR—In their paper on the use of placebos in clinical practice, Nitzan and Lichtenberg say that they were unable to find more than one other study on the use of placebos in a clinical context.1 2 Eight similar studies are indexed in PubMed (see bmj.com). In the accompanying editorial, Spiegel points out that the Cochrane …
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Toke Seierøe Barfod (2004) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: