RT Journal Article SR Electronic T1 Patient choice, health policy or both? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP cmaj.131628 DO 10.1503/cmaj.131628 A1 Mayhew, Maureen YR 2014 UL http://www.cmaj.ca/content/early/2014/03/31/cmaj.131628.abstract AB