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National Library of Medicine
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National Library of Medicine classification: a scheme for the shelf arrangement of books in the field of medicine and its related sciences
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National Library of Medicine classification: a scheme for the shelf arrangement of library materials in the field of medicine and its related sciences
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National Library of Medicine post-graduate library associate training program in biomedical communications
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National Library of Medicine recommended formats for bibliographic citation
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National Library of Medicine sesquicentennial overview 1986
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National Library of Medicine: [services
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National Library of Medicine: anniversary issue, 1836-1961
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National Library of Medicine: services
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National portrait gallery of eminent Americans: including orators, statesmen, naval and military heroes, jurists, authors, etc., etc
