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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 Subjects Libraries, Medical Remove constraint Subjects: Libraries, Medical Publication Year 1981 Remove constraint Publication Year: <span class="single" data-blrl-single="1981">1981</span>

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