7Gordon Guyatt Andrew D.Oxman Regina Kunz James Woodcock Jan Brozek Mark Helfand Pablo Alonso-Coello Yngve Falck-Ytter Roman Jaeschke Gunn Vist Elie A.Akl Piet N Post Susan Norris Joerg Meerpohl Mona Nasser 代表GRADE工作组 李幼平(审校) 杨晓妍(审校) 李鸿浩(译).GRADE指南:Ⅷ.证据质量评价——间接性.临床医学,2011-12.