RT Journal Article SR Electronic T1 Challenges of family practice: using electronic records JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1354 OP 1355 DO 10.1503/cmaj.109-3930 VO 183 IS 12 A1 Erin Walkinshaw YR 2011 UL http://www.cmaj.ca/content/183/12/1354.abstract