- American Health Care Associationwww.ahcancal.org
- American Heart Associationwww.americanheart.org
- American Medical Associationwww.ama-assn.org
- Everyday Health – Online Health Informationwww.everydayhealth.com
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- Arthritis Foundationwww.arthritis.org
- Centers for Medicare & Medicaid Services (CMS)www.cms.gov
- Medicarewww.medicare.gov
