RT Journal Article SR Electronic T1 Overestimation of risk ratios by odds ratios in trials and cohort studies: alternatives to logistic regression JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 895 OP 899 DO 10.1503/cmaj.101715 VO 184 IS 8 A1 Mirjam J. Knol A1 Saskia Le Cessie A1 Ale Algra A1 Jan P. Vandenbroucke A1 Rolf H.H. Groenwold YR 2012 UL http://www.cmaj.ca/content/184/8/895.abstract