Scene time prior to contact: a study of paramedic compliance.
D004632:Emergency Medical Services / Q000592:standards*; D004634:Emergency Medical Technicians; D006323:Heart Arrest / Q000628:therapy; D006801:Humans; D010043:Outcome and Process Assessment, Health Care; D011845:Radio; D013995:Time; D013997:Time Factors; D014589:Utah