title: Medical direction of emergency medical service systems: a full-time commitment whose time has come.
authors.forename: J L
authors.initials: JL
authors.lastname: Falk
mesh_terms: D000488:Allied Health Personnel / Q000193:education; D002983:Clinical Competence; D002985:Clinical Protocols; D004632:Emergency Medical Services / Q000458:organization & administration*; D017063:Outcome Assessment, Health Care; D008486:Physician Executives / Q000193:education