American Medical Association www.ama-assn.org
California Department of Health Care Services www.dhcs.ca.gov
Centers For Disease Control www.cdc.gov
Clinical Trials.gov - Linking patients to research http://clinicaltrials.gov/ct/gui
Dr. Koop www.drkoop.com
Food and Drug Administration www.fda.gov
MedlinePlus Información de Salud de la Biblioteca Nacional de Medicina (en Español) http://medlineplus.gov/spanish
Health Central www.healthcentral.com
Health Finder www.healthfinder.gov
Health Gate www.healthgate.com
Laurus Health www.laurushealth.com
National Institutes of Health www.nih.gov
WebMD.com www.webmd.com