TY - BOOK ED - National Library of Medicine TI - National Library of Medicine classification : a scheme for the shelf arrangement of library materials in the field of medicine and its related sciences SN - 0160453976 PY - 1994/// CY - Bethesda, Maryland PB - U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Library of Medicine KW - Clasificación KW - Libros KW - Medicina N1 - Incluye referencias bibliográficas e índices ER -