RT Journal Article SR Electronic T1 Learning from a social experiment in consent for deceased organ donation JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1735 OP E1736 DO 10.1503/cmaj.190761 VO 193 IS 45 A1 Sam D. Shemie YR 2021 UL http://www.cmaj.ca/content/193/45/E1735.abstract