RT Journal Article SR Electronic T1 Linking health databases for research JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 382 OP 382 VO 61 IS 4 A1 Richard Birtwhistle A1 Marshall Godwin A1 Jannet Ann Leggett A1 Ken Martin YR 2015 UL http://www.cfp.ca/content/61/4/382.abstract AB