1992 Emergency Medical Services state and province survey.
D002170:Canada; D002568:Certification / Q000592:standards; D003625:Data Collection; D004632:Emergency Medical Services / Q000458:organization & administration*; D004634:Emergency Medical Technicians / Q000592:standards*; D012456:Salaries and Fringe Benefits / Q000706:statistics & numerical data; D014481:United States