title: Grassley, Barton launch separate hospital probes on tax exemption, pricing.
mesh_terms: D002608:Charities / Q000191:economics; D003159:Community-Institutional Relations / Q000191:economics; D017722:Hospital Charges / Q000331:legislation & jurisprudence; D006788:Hospitals, Voluntary / Q000191:economics*; D006801:Humans; D010350:Patient Credit and Collection / Q000331:legislation & jurisprudence*; D011057:Politics; D019464:Tax Exemption / Q000331:legislation & jurisprudence*; D014481:United States