RT Journal Article SR Electronic T1 Moving from opacity to transparency in pharmaceutical policy JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 428 OP 431 DO 10.1503/cmaj.070799 VO 178 IS 4 A1 Dhalla, Irfan A1 Laupacis, Andreas YR 2008 UL http://www.cmaj.ca/content/178/4/428.abstract