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 literature.

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world's largest medical library. It collects materials in all major areas of the health sciences and to a lesser degree in such areas as chemistry, physics, botany and zoology. The collections stand at 5 million items--books, journals, technical reports, manuscripts, microfilms, photographs and images. Housed within the Library is one of the world's finest medical history collections of old (pre-1914) and rare medical texts, manuscripts, and incunabula.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia encyclopedia, Wikipedia encyclopedia, Hutchinson encyclopedia, examples from classic literature, pronunciations, word browser, glossary. Free access

Medical information on symptoms, diagnosis, and misdiagnosis of more than 2,000 conditions and diseases. Research symptoms in our Symptoms Center or research diseases and conditions in our Diseases Center.

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Trusted medical information to encourage healthy living. Enjoy free health tools and view detailed doctor-reviewed information about diseases, medical symptoms, treatments, drugs, and nutrition.

Extensive knowledge base of medical information on symptoms, diagnosis, and misdiagnosis of more than 20,000 medical conditions. Research causes of your symptoms or research treatments for diseases.