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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.

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CDC Centers for Disease Control and Prevention - Your Online Source for Credible Health Information

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

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

IDEXX BioResearch – Laboratory Animal diagnostics, biological materials testing and preclinical services

Charles River is a global provider of essential research products and services that advance drug discovery and development. Offerings include research animal models, preclinical testing, early-phase clinical trials and full process manufacturing supp...

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Find the best doctors in California at Palo Alto Medical Foundation, a multi-specialty healthcare provider with physicians and clinics throughout California. Patients looking for the best doctors in California choose us for healthcare, medical resear...

Medical reference laboratory providing esoteric and genetic testing services, test selection guidance, result interpretation references, and continuing education for clients worldwide.