Research Methods & Reporting

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

BMJ 2017; 358 doi: https://doi.org/10.1136/bmj.j4008 (Published 21 September 2017) Cite this as: BMJ 2017;358:j4008

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October 20171815492
September 201749661008