The case of the misleading funnel plot.

Lau, Joseph; Ioannidis, John P A; Terrin, Norma; Schmid, Christopher H; Olkin, Ingram · BMJ · 2006

review · Level V

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Abstract

Evidence based medicine insists on rigorous standards to appraise clinical interventions. Failure to apply the same rules to its own tools could be equally damaging

Medical subject headings