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

National provider of anatomic pathology services and dermatopathology in disease diagnosis for physicians, hospitals and clinical laboratories.

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...

The objectives of the Society for Surgery of the Alimentary Tract are: to stimulate, foster, and provide surgical leadership in the art and science of atient care; to teach and research the diseases and functions of the alimentary tract; to provide a...

Read doctor-produced health and medical information written for you to make informed decisions about your health concerns.

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

Cancer.Net (www.cancer.net) - accurate, reliable and doctor approved cancer information from ASCO, the world

UpToDate is an evidence based, peer reviewed information resource, available via the Web and Mobile Devices. Our community includes over 4,400 leading physicians, peer reviewers, editors and over 385,000 users. UpToDate includes access to over 8,300 ...

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...