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Start Over You searched for: Collections NLM Publications and Productions Remove constraint Collections: NLM Publications and Productions Subjects Medicine Remove constraint Subjects: Medicine Copyright Public domain Remove constraint Copyright: Public domain Dates by Range 1950-1999 Remove constraint Dates by Range: 1950-1999

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

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

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

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

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