title: Exemption inquiry. Congress not sure what sets apart not-for-profits.
authors.forename: Ralph
authors.initials: R
authors.lastname: Loos
mesh_terms: D002608:Charities; D006788:Hospitals, Voluntary / Q000145:classification* / Q000191:economics; D017057:Medically Uninsured; D010350:Patient Credit and Collection; D011057:Politics; D019464:Tax Exemption / Q000592:standards*; D017664:Uncompensated Care; D014481:United States