- American Cancer Societywww.cancer.org
- American Diabetes Associationwww.diabetes.org
- American Health Care Associationwww.ahcancal.org
- American Heart Associationwww.americanheart.org
- American Medical Associationwww.ama-assn.org
- American Physical Therapy Associationwww.apta.org
- American Public Health Associationwww.apha.org
- Arthritis Foundationwww.arthritis.org
- National Institute of Mental Healthwww.nimh.nih.gov
- National Institutes of Healthwww.health.nih.gov
- U.S. Department of Health & Human Serviceswww.hhs.gov
- Mobility Internationalwww.miusa.org
- Orthopedic Surgery – Medscape Referencewww.emedicine.medscape.com
- American Orthopaedic Associationwww.aoassn.org
- Everyday Health – Online Health Informationwww.everydayhealth.com
