Comparison of evidence of treatment effects in randomized and nonrandomized studies.
Ioannidis JP; Haidich AB; Pappa M; Pantazis N; Kokori SI; Tektonidou MG; Contopoulos-Ioannidis DG; Lau J; JAMA, 2001, vol. 286, issue 7, p 821, ISSN 00987484. ISBN 00987484.

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