- National Institutes of Healthwww.health.nih.gov
- US Department of Health & Human Serviceswww.hhs.gov
- Health Finderwww.healthfinder.gov
- American Medical Associationwww.ama-assn.org
- American Public Health Associationwww.apha.org
- MedicineNet – Health and Medical Information Produced by Doctors www.medicinenet.com
