THE DEVELOPMENT OF MEDLARS.
D000043:Abstracting and Indexing; D001634:Bibliographies as Topic; D001330:Electronic Data Processing; D006801:Humans; D007256:Information Systems; D008511:Medicine; D009317:National Library of Medicine (U.S.); D014481:United States; D014937:Work
ABSTRACTING AND INDEXING; AUTOMATIC DATA PROCESSING; BIBLIOGRAPHY; MEDICINE