GRADE: an emerging consensus on rating quality of evidence and strength of recommendations -- Guyatt et al. 336 (7650): 924 -- BMJ
The advantages of the GRADE system for rating the quality of evidence and strength of recommendations.

No queries for www.bmj.com/cgi/content/full/336/7650/924?ijkey=8f20c7c3da0ec780d5e7f5ca92fcb60abe52aaef&keytype2=tf_ipsecsha