P.Mean: Examples of the difference made by high quality research (created 2011-04-22). News: Sign up for "The Monthly Mean," the newsletter that dares to call itself average, www.pmean.com/news.

Examples where high quality randomized controlled trials report dramatically different (or contradictory) results from results of lower quality RCTs.

Schulz 95, Moher 98, Juni 99,  Lachin 00, Juni 01, Kjaergard 01, Tierney 04, Poolman 07, Wood 08

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