Emergency medicine.
Marx
J A
JA
Carolinas Medical Center, Charlotte, NC, USA.
D002637:Chest Pain; D004630:Emergencies; D004635:Emergency Medicine / Q000592:standards / Q000639:trends*; D006801:Humans; D007258:Informed Consent; D017410:Practice Guidelines as Topic; D012106:Research; D014463:Ultrasonography