RT Journal Article SR Electronic T1 Real-time access to prescription drug monitoring databases JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1767 OP 1768 DO 10.1503/cmaj.121495 VO 184 IS 16 A1 Barth Wilsey A1 Hannah Prasad YR 2012 UL http://www.cmaj.ca/content/184/16/1767.abstract AB