1. Preservation of the biomedical literature: a plan for the National Library of Medicine Publication: Bethesda, Md. (8600 Rockville Pike, Bethesda 20894) : U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Library of Medicine, [1985] Subject(s): Libraries, Medical -- organization & administrationLibrary ServicesMicrofilmingPaper -- standardsUnited StatesNational Library of Medicine (U.S.)