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How to assess the external validity of therapeutic trials: a conceptual approach.
Dekkers, O M; von Elm, E; Algra, A; Romijn, J A; Vandenbroucke, J P.
Affiliation
  • Dekkers OM; Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands. o.m.dekkers@lumc.nl
Int J Epidemiol ; 39(1): 89-94, 2010 Feb.
Article in En | MEDLINE | ID: mdl-19376882
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Research Design / Epidemiologic Factors / Clinical Trials as Topic Aspects: Equity_inequality Limits: Humans Language: En Journal: Int J Epidemiol Year: 2010 Document type: Article Affiliation country: Países Bajos Country of publication: Reino Unido
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Research Design / Epidemiologic Factors / Clinical Trials as Topic Aspects: Equity_inequality Limits: Humans Language: En Journal: Int J Epidemiol Year: 2010 Document type: Article Affiliation country: Países Bajos Country of publication: Reino Unido