title: Health Systems Integration Study offers lessons for IDNs. Findings from Northwestern University's four-year analysis.
mesh_terms: D003362:Cost-Benefit Analysis; D003625:Data Collection; D019033:Delivery of Health Care, Integrated / Q000458:organization & administration*; D005069:Evaluation Studies as Topic; D006302:Health Services Research; D018578:Hospital-Physician Relations; D007373:Interinstitutional Relations; D009096:Multi-Institutional Systems / Q000458:organization & administration; D014481:United States