A total emergency medical system for the State of Maryland.
D000059:Accidents; D000488:Allied Health Personnel / Q000193:education; D003142:Communication; D004630:Emergencies; D004632:Emergency Medical Services; D006268:Health Facilities; D008396:Maryland; D009934:Organization and Administration; D012017:Referral and Consultation; D012041:Regional Medical Programs; D014187:Transportation of Patients