title: Largest not-for-profit hospital systems. Ranked by total revenue for 2013.
mesh_terms: D006742:Hospital Bed Capacity / Q000706:statistics & numerical data; D006788:Hospitals, Voluntary / Q000145:classification* / Q000191:economics*; D009096:Multi-Institutional Systems / Q000145:classification* / Q000191:economics*; D014481:United States