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Start Over You searched for: Collections NLM Publications and Productions Remove constraint Collections: NLM Publications and Productions Subjects United States Remove constraint Subjects: United States Subjects Medicine Remove constraint Subjects: Medicine Subjects Libraries, Medical Remove constraint Subjects: Libraries, Medical Languages English Remove constraint Languages: English Dates by Range 1950-1999 Remove constraint Dates by Range: 1950-1999

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9. National Library of Medicine classification: a scheme for the shelf arrangement of books in the field of medicine and its related sciences

10. National Library of Medicine classification: a scheme for the shelf arrangement of library materials in the field of medicine and its related sciences