RT Journal Article SR Electronic T1 Pediatric cannabis use and cardiac complications JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1737 OP E1737 DO 10.1503/cmaj.80288 VO 193 IS 45 A1 Burns, Michele M. A1 Toce, Michael S. YR 2021 UL http://www.cmaj.ca/content/193/45/E1737.abstract