- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
 - American Health Care Associationwww.ahcancal.org
 - American Medical Associationwww.ama-assn.org
 - Centers for Medicare & Medicaid Services (CMS)www.cms.gov
 - National Institute of Mental Healthwww.nimh.nih.gov
 
