U.S. National Library of Medicine

The US National Library of Medicine, on the campus of the National Institutes of Health in Bethesda, Maryland, has been a center of information innovation since its beginnings in the early 19th century. The world's largest medical library and a federal government agency, it maintains and makes publicly available a diverse and world-renowned collection of materials dating from the 11th to the 21st centuries, and it produces a variety of electronic resources that millions of people around the glob