title: Clue to physician referral use: neighborhoods.
authors.forename: M T
authors.initials: MT
authors.lastname: Koska
mesh_terms: D002391:Catchment Area, Health; D003625:Data Collection; D003710:Demography; D006761:Hospitals; D010820:Physicians; D012017:Referral and Consultation / Q000706:statistics & numerical data*; D014481:United States