RT Journal Article SR Electronic T1 Mon frère JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1828 OP E1829 DO 10.1503/cmaj.210648-f VO 193 IS 47 A1 Kaylynn Purdy YR 2021 UL http://www.cmaj.ca/content/193/47/E1828.abstract