Prehospital cardiac care: does it make a difference?
D004632:Emergency Medical Services / Q000706:statistics & numerical data* / Q000639:trends; D006801:Humans; D008020:Life Support Care / Q000592:standards; D009203:Myocardial Infarction / Q000401:mortality / Q000628:therapy*; D012151:Resuscitation; D014693:Ventricular Fibrillation / Q000517:prevention & control