GRADE Notes 2: Criteria for searching non-randomized or indirect evidence should be defined early in the guideline

Silvia Minozzi1, Gian Paolo Morgano2, Maria Luisa Scattoni3

  • 1Department of Epidemiology, Lazio Regional Health Service, Via Cristoforo Colombo 112, 00147 Rome, Italy; Laboratory of Clinical Research Methodology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, via Mario Negri 2, 20156 Milan, Italy.

Abstract

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