J Trauma. 2005 Feb; 58(2):391-2.

[J Trauma. 2005]

Lancet. 1973 Nov 24; 2(7839):1185-9.

[Lancet. 1973]

Br Med J. 1979 Apr 14; 1(6169):1017.

[Br Med J. 1979]

Wilderness Environ Med. 2003 Summer; 14(2):101-5.

[Wilderness Environ Med. 2003]

Emerg Nurse. 2006 Oct; 14(6):26-36; quiz 37.

[Emerg Nurse. 2006]