RT Journal Article SR Electronic T1 Should invasive airway management be done in the field? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1171 OP 1173 DO 10.1503/cmaj.080234 VO 178 IS 9 A1 Daniel P. Davis MD YR 2008 UL http://www.cmaj.ca/content/178/9/1171.abstract