RT Journal Article SR Electronic T1 Alcohol use, opioid overdose and socioeconomic status in Canada: A threat to life expectancy? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1294 OP E1295 DO 10.1503/cmaj.180806 VO 190 IS 44 A1 Charlotte Probst A1 Jürgen Rehm YR 2018 UL http://www.cmaj.ca/content/190/44/E1294.abstract