Annals of Emergency Medicine
Annals of Emergency Medicine > 2004 > 43 > 4 > 494-503
Annals of Emergency Medicine > 2004 > 43 > 4 > 452-460
Annals of Emergency Medicine > 2004 > 43 > 4 > 494-503
Annals of Emergency Medicine > 2004 > 43 > 4 > 452-460