title: From cards to computers: the National Library of Medicine and the transmission of medical knowledge.
abstract: The National Library of Medicine (NLM) is the world's largest medical Library. Its collections total some 6 million items and NLM also sponsors a variety of key databases in the medical field. This article traces the history and the strategies of the Library from the origins until today.
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D007993:Libraries, Medical / Q000266:history*