title: [Regionalization and hierarchical organization of emergency medical care in the Metropolitan region of São Paulo, Brazil].
authors.forename: S D
authors.initials: SD
authors.lastname: Pitelli
authors.forename: J
authors.initials: J
authors.lastname: Mattar Júnior
authors.forename: R
authors.initials: R
authors.lastname: Azevedo Júnior
authors.forename: L A
authors.initials: LA
authors.lastname: Manreza
mesh_terms: D001509:Bed Occupancy; D001938:Brazil; D004632:Emergency Medical Services / Q000458:organization & administration*; D006801:Humans; D010360:Patient Transfer; D011787:Quality of Health Care; D012040:Regional Health Planning; D014193:Trauma Centers / Q000458:organization & administration; D014504:Urban Health
vernacular_title: Regionalização e hierarquização do atendimento médico de urgência na região metropolitana de São Paulo.