title: An emergency rescue service in Brazil.
authors: M
authors: M
authors: Okumura
mesh_terms: D000063:Accidents, Traffic / Q000706:statistics & numerical data; D001938:Brazil / Q000453:epidemiology; D004632:Emergency Medical Services / Q000458:organization & administration* / Q000706:statistics & numerical data; D006801:Humans; D000078329:Workforce