12874_2018_561_MOESM1_ESM.pdf (247.5 kB)
Additional file 1: of Primary versus secondary source of data in observational studies and heterogeneity in meta-analyses of drug effects: a survey of major medical journals
journal contribution
posted on 2018-09-27, 05:00 authored by Guillermo Prada-Ramallal, Fatima Roque, Maria Herdeiro, Bahi Takkouche, Adolfo FigueirasExcluded articles. List of articles excluded with reasons for exclusion. (PDF 247 kb)