Publication Systematic Reviews 2012 – Do randomised clinical trials with inadequate blinding report enhanced placebo effects for intervention groups and nocebo effects for placebo groups? A protocol for a meta-epidemiological study of PDE-5 inhibitors.

Frederik Feys, Geertruida E Bekkering, Kavita Singh, Dirk Devroey. Do randomised clinical trials with inadequate blinding report enhanced placebo effects for intervention groups and nocebo effects for placebo groups? A protocol for a meta-epidemiological study of PDE-5 inhibitors. Systematic Reviews 2012, 1:54 doi:10.1186/2046-4053-1-54 View Online / PubMed

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