RT Journal Article SR Electronic T1 CMAJ instruction of authors in the 20th century: from literary style to Vancouver style JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 419 OP 420 DO 10.1503/cmaj.111430 VO 185 IS 5 A1 Jennifer J. Connor YR 2013 UL http://www.cmaj.ca/content/185/5/419.abstract AB