摘要
<正>原文出处SCHüNEMANN H J,CUELLO C,AKL E A,et al. GRADE guidelines:18. How ROBINS-I and other tools to assess risk of bias in nonrandomized studies should be used to rate the certainty of a body of evidence. J Clin Epidemiol,2019,111:105-114.原文通讯作者SCHüNEMANN H J,email:schunch@mcmaster.
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单位复旦大学附属中山医院; 复旦大学