RT Journal Article SR Electronic T1 Understanding the cognitive restraints of physicians JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E137 OP E138 DO 10.1503/cmaj.101756 VO 183 IS 2 A1 J.T.H. Connor YR 2011 UL http://www.cmaj.ca/content/183/2/E137.abstract