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Titles
- National Library of Medicine classification: a scheme for the shelf arrangement of books in the field of medicine and its related sciences4
- National Library of Medicine classification: a scheme for the shelf arrangement of library materials in the field of medicine and its related sciences2
- National Library of Medicine: [services]1
- National Library of Medicine: considerations for formulation of loan policy1
- National Library of Medicine: founded 18361
- National Library of Medicine: new frontiers in health communication : sesquicentennial 1836-19831
- National Library of Medicine: services4
- Nobel prize winners in medicine and physiology1
- Nobel prize winners in medicine and physiology: a selected group of portraits from the portrait collections maintained in the Art Section, Reference Division1