title: Controversial 999 pilot ambulance trust chief executive resigns.
authors.affiliation: London.
authors.forename: Adrian
authors.initials: A
authors.lastname: O'Dowd
mesh_terms: D000552:Ambulances / Q000706:statistics & numerical data*; D016542:Chief Executive Officers, Hospital; D006801:Humans; D010865:Pilot Projects; D028743:Professional Misconduct; D013222:State Medicine / Q000458:organization & administration*; D013997:Time Factors; D014218:Triage; D006113:United Kingdom