
Nonrandomized studies are not always found even when selection criteria for health systems intervention reviews include them: a methodological study
Glenton, Claire, Lewin, Simon, Mayhew, Alain, Scheel, Inger, Odgaard-Jensen, JanVolume:
66
Langue:
english
Journal:
Journal of Clinical Epidemiology
DOI:
10.1016/j.jclinepi.2012.11.009
Date:
April, 2013
Fichier:
PDF, 99 KB
english, 2013