Reporting of drug trial funding sources and author financial conflicts of interest in Cochrane and non-Cochrane meta-analyses: a cross-sectional study
Kimberly Turner, Andrea Carboni-Jiménez, Carla Benea, Katharine Elder, Brooke Levis, Jill Boruff, Michelle Roseman, Lisa Bero, Joel Lexchin, Erick H Turner, Andrea Benedetti, Brett D Thombs
BMJ Open May 2020, 10 (5) e035633; DOI: 10.1136/bmjopen-2019-035633