RT Journal Article SR Electronic T1 Stopping “steady stream” of overdose deaths a public health priority JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E619 OP E619 DO 10.1503/cmaj.1095416 VO 189 IS 16 A1 Roger Collier YR 2017 UL http://www.cmaj.ca/content/189/16/E619.abstract AB