title: Emergency department use by primary care patients at a safety-net hospital.
authors.forename: Karen E
authors.initials: KE
authors.lastname: Lasser
authors.forename: Andrea C
authors.initials: AC
authors.lastname: Kronman
authors.forename: Howard
authors.initials: H
authors.lastname: Cabral
authors.forename: Jeffrey H
authors.initials: JH
authors.lastname: Samet
mesh_terms: D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D005260:Female; D006761:Hospitals; D006801:Humans; D008297:Male; D008875:Middle Aged; D011320:Primary Health Care; D014505:Urban Population