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Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Web site for Journal of General Virology.

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Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...

Medical Dictionary is intended for use by healthcare consumers, students, and professionals as well as anyone who wants to keep up with the burgeoning array of terminology found in today’s medical news. By staying clear of jargon, the dictionary o...

Spanning the entire spectrum of life sciences, the Encyclopedia of Life Sciences (eLS) features more than 4,800 specially commissioned and peer-reviewed articles. This alone makes it an essential read for life scientists as well as a valuable resourc...

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