MedlinePlus

MedlinePlus is a service of the U.S. Library of Medicine and the National Institutes of Health. Information sites the following organizations with direct links to: World Health Organization, Polio Health International, American Academy of Family Physicians, Mayo Clinic, National Institute of Neurological Disorders and Stroke, Center for Disease Control and Prevention, PubMed (NCBI), Global Polio Eradication Newsletter.

Topics are categorized in a user-friendly way and site contains authoritative source links. Some articles are in French and German. The search engine, SearchMedica, directly links to thousands of journal articles within Medline's index.