- National Institutes of Healthwww.health.nih.gov
- American Medical Associationwww.ama-assn.org
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- Everyday Health – Online Health Informationwww.everydayhealth.com
- International Council of Nurseswww.icn.ch
