TY  - BOOK
ED  - National Library of Medicine (E.U.). Medical Subject Headings
TI  - Medical subject headings : annotated alphabetic list : 1991 / National Library of Medicine, Library Operations, Medical Subject Headings
AV  - Z695.1M48/E87 1991 
PY  - 1990///
CY  - Bethesda, Maryland
PB  - National Library of Medicine
KW  - Encabezamientos de Materia - Medicina
N1  - Monografía
ER  -