erc: who: United States. General Accounting Office. what: Health Care Financing Administration: Medicare Program--Changes to the Hospital Inpatient Prospective Payment Systems and Fiscal Year 2001 Rates when: 20000815 where: https://digital.library.unt.edu/ark:/67531/metadc291560/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/