title: Theory and the fallacy of misplaced concreteness.
authors: Mayo Clinic, Rochester, MN, USA.
authors: James E
authors: JE
authors: Rohrer
mesh_terms: D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D006297:Health Services Accessibility / Q000458:organization & administration*; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D017057:Medically Uninsured / Q000706:statistics & numerical data*; D011320:Primary Health Care / Q000458:organization & administration*; D017664:Uncompensated Care / Q000706:statistics & numerical data*