RT Journal Article SR Electronic T1 Withdrawing life-sustaining therapy for patients with severe traumatic brain injury JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1570 OP 1571 DO 10.1503/cmaj.110974 VO 183 IS 14 A1 David H. Livingston A1 Anne C. Mosenthal YR 2011 UL http://www.cmaj.ca/content/183/14/1570.abstract