Security's safety role in a non-hospital-based emergency helicopter program.
D000056:Accident Prevention; D000401:Aircraft / Q000592:standards*; D000552:Ambulances / Q000592:standards*; D006744:Hospital Bed Capacity, 100 to 299; D006761:Hospitals; D010414:Pennsylvania; D012449:Safety; D012637:Security Measures / Q000379:methods*