RT Journal Article SR Electronic T1 The future of colorectal cancer screening: Parentalism or shared decision-making? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E484 OP E484 DO 10.1503/cmaj.74839 VO 192 IS 18 A1 Michael Bretthauer A1 Lise M. Helsingen A1 Mette Kalager A1 Per-Olav Vandvik A1 Thomas Agoritsas A1 Gordon Guyatt YR 2020 UL http://www.cmaj.ca/content/192/18/E484.abstract AB