- Community Health and Accreditation Partnerwww.chapinc.org
- Center for Medicare and Medicaid Services www.cms.gov
- Better Business Bureau Business Reviewwww.bbb.org
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- American Health Care Associationwww.ahcancal.org
- American Medical Associationwww.ama-assn.org
- International Council of Nurseswww.icn.ch
- National Institutes of Healthwww.health.nih.gov
- World Health Organizationwww.who.int/en