Checklist for the qualitative evaluation of clinical studies with particular focus on external validity and model validity

<p>Abstract</p> <p>Background</p> <p>It is often stated that external validity is not sufficiently considered in the assessment of clinical studies. Although tools for its evaluation have been established, there is a lack of awareness of their significance and applicati...

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Bibliographic Details
Main Authors: Vollmar Horst C, Michalsen Andreas, Kienle Gunver S, Maxion-Bergemann Stefanie, Wolf Ursula, Bornhöft Gudrun, Gilbertson Simon, Matthiessen Peter F
Format: Article
Language:English
Published: BMC 2006-12-01
Series:BMC Medical Research Methodology
Online Access:http://www.biomedcentral.com/1471-2288/6/56