RT Journal Article SR Electronic T1 Assessing and scaling the knowledge pyramid: the good-guideline guide JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 337 OP 338 DO 10.1503/cmaj.051611 VO 174 IS 3 A1 Dave Davis A1 Valerie Palda A1 Yale Drazin A1 Jess Rogers YR 2006 UL http://www.cmaj.ca/content/174/3/337.abstract