1. Center for Medicare & Medicaid Services. CMS 1632-F and IFC, CMS 1632-CN2, and Changes due to the Consolidated Appropriations Act of 2016. Available at: https://www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/AcuteInpatientPPS/FY2016-IPPS-Final-Rule-Home-Page-Items/FY2016-IPPS-Final-Rule-Regulations.html. Accessed January 10, 2017.
2. Center for Medicare & Medicaid Services. Hospital Outpatient Prospective Payment System-Final Rule with Comment Period and Final CY2016 Payment Rates. Available at: https://www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/HospitalOutpatientPPS/Hospital-Outpatient-Regulations-and-Notices-Items/CMS-1633-FC.html. Accessed January 10, 2017.
3. Where have all the inpatients gone? A regional study with national implications;York;Health Affairs Blog,2014
4. Evaluating whether changes in utilization of hospital outpatient services contributed to lower Medicare readmission rate;Gerhardt;Medicare Medicaid Res Rev,2014
5. American College of Cardiology. Medicare Access and CHIP Reauthorization Act of 2015: what you need to know. April 28, 2015. Available at: https://www.acc.org/latest-in-cardiology/articles/2015/04/28/15/59/medicare-access-and-chip-reauthorization-act-of-2015-what-you-need-to-know. Accessed January 10, 2017.