TY - BOOK ED - National Library of Medicine (U.S.) TI - National Library of Medicine classification SN - 0160453976 AV - REF Z 697.M4 N38 1994 PY - 1994/// CY - Bethesda PB - U.S. Department of Health and Human Services, Public Health Service, National Institutes of Health, National Library of Medicine KW - Classification KW - Books KW - Medicine N1 - Includes index ER -