RT Journal Article SR Electronic T1 A safer drug supply: a pragmatic and ethical response to the overdose crisis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E986 OP E987 DO 10.1503/cmaj.201618 VO 192 IS 34 A1 Tyndall, Mark YR 2020 UL http://www.cmaj.ca/content/192/34/E986.abstract