RT Journal Article SR Electronic T1 Who is Black? The urgency of accurately defining the Black population when conducting health research in Canada JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E948 OP E949 DO 10.1503/cmaj.220274 VO 194 IS 27 A1 CĂ©nat, Jude Mary YR 2022 UL http://www.cmaj.ca/content/194/27/E948.abstract