GRADE指南：Ⅵ.证据质量评价——不精确性（随机误差）
Gordon, Guyatt,Andrew,D Oxman,Regina, Kunz, Jan, Brozek, Pablo, Alonsocoello,David, Rind, Pj, Devereaux, Victor,M Montori, Bo, Freyschuss, Gunn, Vist, Roman, Jaeschke, John,W S C Williams, Mohammad, Hassan, Murad, Sinclairk, Yngve, Falckytter, Joerg, Meerpohl, Craig, Whittington, Kristian, Orlund, Je, Andrews, Holger,Jurgen Schunemann, 代表grade工作组,李幼平 审校, 王莉 审校, 陈尹 译, 高霑 译 mag（2011）
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