Mayo Clinic offers award-winning medical and health information and tools for healthy living.

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. Hous

Homepage of Merck.com, Merck's corporate Web site

HeartPoint is a multimedia site for patient information and education. Objective presentations from professional sources help patients take an active role in their own healthcare

Serving infants to adolescents, Cincinnati Children's Hospital Medical Center is an international leader in pediatric health care, research and education.