RT Journal Article SR Electronic T1 Appraising descriptive and analytic findings of large cohort studies JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E828 OP E829 DO 10.1503/cmaj.190882 VO 191 IS 30 A1 Reeves, Barnaby C. YR 2019 UL http://www.cmaj.ca/content/191/30/E828.abstract