title: Our medical literature--then and now.
mesh_terms: D000043:Abstracting and Indexing; D003309:Copyright; D004467:Economics; D005060:Europe; D006079:Government Publications as Topic; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D007255:Information Services; D007256:Information Systems; D008511:Medicine; D009317:National Library of Medicine (U.S.); D010506:Periodicals as Topic / Q000266:history; D012106:Research; D014481:United States