- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- Everyday Health – Online Health Informationwww.everydayhealth.com
- American Health Care Association www.ahcancal.org
- U.S. Department of Laborwww.dol.gov
- U.S. Bureau of Labor Statisticswww.bls.gov