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

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Princeton University is a vibrant community of scholarship and learning that stands in the nation's service and in the service of all nations.

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Life Technologies Corporation (NASDAQ: LIFE) is a global biotechnology tools company dedicated to improving the human condition. Our systems, consumables, reagents and services enable researchers to accelerate scientific exploration.

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

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