RT Journal Article SR Electronic T1 Colorectal cancer screening: It is not time for a radical shift JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E51 OP E52 DO 10.1503/cmaj.191566 VO 192 IS 3 A1 Bielawska, Barbara A1 Dubé, Catherine YR 2020 UL http://www.cmaj.ca/content/192/3/E51.abstract AB