Andrew D Oxman
4 ta ish
Norwegian Knowledge Centre for the Health Services
The Cochrane Collaboration's tool for assessing risk of bias in randomised trials
Julian P. T. Higgins, Doug Altman, Peter C Gøtzsche +9
MaqolaOchiq kirish20119 iqtibosABIGrading quality of evidence and strength of recommendations
David C. Atkins, Dana Best, Peter A. Briss +24
Maqola20042 iqtibosABI