RT Journal Article SR Electronic T1 Routinely collected data: the importance of high-quality diagnostic coding to research JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1054 OP E1055 DO 10.1503/cmaj.170807 VO 189 IS 33 A1 Nicholls, Stuart G. A1 Langan, Sinéad M. A1 Benchimol, Eric I. YR 2017 UL http://www.cmaj.ca/content/189/33/E1054.abstract