RT Journal Article SR Electronic T1 Major depressive disorder and cognitive impairment JF Journal of Psychiatry and Neuroscience JO J Psychiatry Neurosci FD Canadian Medical Association SP E36 OP E37 DO 10.1503/jpn.140050 VO 39 IS 5 A1 Roger S. McIntyre YR 2014 UL http://jpn.ca/content/39/5/E36.abstract