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Mayo Clinic — Comprehensive medical diagnosis and treatment; locations and services; request an appointment.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

American Academy of Otolaryngology-Head and Neck Surgery

The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award-winning expertise in content, community services, expert co...

Health information for consumers on first aid for medical emergencies, accidents and injuries, symptoms and treatment of disease and health conditions, and physical and the emotional well-being that contribute to general wellness.

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world

The eMedicine point-of-care clinical reference features up-to-date, searchable, peer-reviewed medical articles organized in specialty-focused textbooks, and is continuously updated with practice-changing evidence culled daily from the medical literat...

Online Medical Dictionary and glossary with medical definitions