The value of including observational studies in systematic reviews was unclear: a descriptive study
Seida, Jennifer, Dryden, Donna M., Hartling, LisaVolume:
67
Language:
english
Journal:
Journal of Clinical Epidemiology
DOI:
10.1016/j.jclinepi.2014.06.014
Date:
December, 2014
File:
PDF, 255 KB
english, 2014