1. Tumor manual: MEDLARS indexing instructions Author(s): National Library of Medicine (U.S.). Index Section. Publication: [Bethesda, Md.] : National Library of Medicine, Index Section, 1970 Subject(s): Abstracting and Indexing as TopicNeoplasmsSubject Headings
2. MEDLARS indexing and searching aids Author(s): National Library of Medicine (U.S.). Index Section. Publication: Springfield, Va. : National Technical Information Service, 1972 Subject(s): Abstracting and Indexing as TopicEponymsNeoplasmsSubject Headings
