title: PSRO performance: the 1977 and 1978 evaluations of Professional Standards Review Organizations.
mesh_terms: D003362:Cost-Benefit Analysis; D005069:Evaluation Studies as Topic; D006801:Humans; D007902:Length of Stay; D008484:Medicaid; D011366:Professional Review Organizations / Q000191:economics / Q000458:organization & administration*; D014481:United States; D014600:Utilization Review