Association of industry sponsorship and positive outcome in randomised controlled trials in general and abdominal surgery: protocol for a systematic review and empirical study - Probst, Pascal; Grummich, Kathrin; Ulrich, Alexis; Büchler, Markus W.; Knebel, Phillip; Diener, Markus K. (Systematic Reviews, 2014)
Gesehen am 20.10.2020