RT Journal Article SR Electronic T1 Challenges of family practice: using electronic medical records JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP cmaj.109-3930 DO 10.1503/cmaj.109-3930 A1 Walkinshaw, Erin YR 2011 UL http://www.cmaj.ca/content/early/2011/07/25/cmaj.109-3930.abstract AB