TY - BOOK ED - National Library of Medicine (U.S.) TI - National Library of Medicine classification: a scheme for the shelf arrangement of books in the field of medicine and its related sciences U1 - 025.4961 PY - 1981/// CY - Washington, D.C. PB - U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Library of Medicine KW - Classification KW - Books KW - Medicine ER -