OP36 Is risk of bias underestimated in poorly conducted systematic reviews using cochrane’s risk of bias tool for non-randomised studies? A meta-epidemiological review
Erik Igelström, Mhairi Campbell, Peter Craig, Srinivasa Vittal Katikireddi
J Epidemiol Community Health Sep 2021, 75 (Suppl 1) A17; DOI: 10.1136/jech-2021-SSMabstracts.36