RT Journal Article SR Electronic T1 Choosing when and how to die: Are we ready to perform therapeutic homicide? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1227 OP 1227 DO 10.1503/cmaj.120961 VO 184 IS 11 A1 Ken Flegel A1 John Fletcher YR 2012 UL http://www.cmaj.ca/content/184/11/1227.abstract