RT Journal Article SR Electronic T1 Standards for pharmaceutical advertising in Canada JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 238 OP 238-a DO 10.1503/cmaj.1050124 VO 173 IS 3 A1 Richelle J. Cooper A1 David L. Schriger YR 2005 UL http://www.cmaj.ca/content/173/3/238.2.abstract