原文出处GUYATT G,OXMAN A D,SULTAN S,et al.GRADE guidelines:11.Making an overall rating of confidence in effect estimates for a single outcome and for all outcomes.J Clin Epidemiol,2013,66(2):151-157.原文通讯作者GUYATT G,email:guyatt@mcmaster.ca说明本文解读者根据对原文理解做解读,可能不完全反映原文的思想。
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