AMSTAR 2: a critical appraisal tool for systematic reviews that include randomised or non-randomised studies of healthcare interventions, or both

Shea, Beverley J ; Reeves, Barnaby C ; Wells, George ; Thuku, Micere ; Hamel, Candyce ; Moran, Julian ; Moher, David ; Tugwell, Peter ; Welch, Vivian ; Kristjansson, Elizabeth ; Henry, David A

BMJ (Online), 2017-09, Vol.358, p.j4008-j4008 [Periódico revisado por pares]

England: BMJ Publishing Group LTD

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