title: Primary care and specialty care for US children: what is the right mix?
authors.forename: Timothy G
authors.initials: TG
authors.lastname: Ferris
authors.forename: Richard C
authors.initials: RC
authors.lastname: Wasserman
mesh_terms: D002648:Child; D002662:Child Health Services / Q000706:statistics & numerical data / Q000639:trends*; D005194:Family Practice / Q000639:trends*; D006801:Humans; D010372:Pediatrics / Q000458:organization & administration / Q000639:trends*; D006113:United Kingdom; D014481:United States