%0 Journal Article %A John C. Macdonald MD %A Homer C.N. Tien, MD MSc %T Emergency battlefield cricothyrotomy %D 2008 %R 10.1503/cmaj.080036 %J Canadian Medical Association Journal %P 1133-1135 %V 178 %N 9 %U https://www.cmaj.ca/content/cmaj/178/9/1133.full.pdf