RT Journal Article SR Electronic T1 When and how to die JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1814 OP 1814 DO 10.1503/cmaj.112-2076 VO 184 IS 16 A1 Kenneth R. Stevens YR 2012 UL http://www.cmaj.ca/content/184/16/1814.2.abstract