- American Health Care Associationwww.ahcancal.org
- American Physical Therapy Associationwww.apta.org
- American Public Health Associationwww.apha.org
- Centers for Medicare & Medicaid Services (CMS)www.cms.gov
- Medicarewww.medicare.gov
- U.S. Department of Health & Human Serviceswww.hhs.gov
