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[A tool (corrected) for the critical appraisal of epidemiological cross-sectional studies]

Silvina Berra1, Josep Maria Elorza-Ricart, Maria-Dolors Estrada

  • 1Agència d'Avaluació de Tecnologia i Recerca Mèdiques (AATRM), Barcelona, Spain. sberra@aatrm.catsalut.net

Gaceta Sanitaria
|November 13, 2008
PubMed

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