RT Journal Article SR Electronic T1 Seeking hard data on adverse effects of drugs JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E405 OP E406 DO 10.1503/cmaj.109-4152 VO 184 IS 8 A1 Sysak, Tomek YR 2012 UL http://www.cmaj.ca/content/184/8/E405.abstract