RT Journal Article SR Electronic T1 Mobile, awake and critically ill JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 725 OP 726 DO 10.1503/cmaj.080178 VO 178 IS 6 A1 Margaret S. Herridge, MD MPH YR 2008 UL http://www.cmaj.ca/content/178/6/725.abstract