RT Journal Article SR Electronic T1 Cognitive decline in an older physician JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP cmaj.140589 DO 10.1503/cmaj.140589 A1 Gregory S. Day A1 Simon Carette A1 David F. Tang-Wai YR 2015 UL http://www.cmaj.ca/content/early/2015/03/30/cmaj.140589.abstract AB