TY  - BOOK
ED  - E.U. Library of Congress. Subject Cataloging Division
TI  - Classification : class R : medicine / Library of Congress
SN  - 0844403210
AV  - C/Z696.E7/R1980 
PY  - 1980///
CY  - Washington
PB  - Library of Congress
KW  - Clasificación - Libros - Medicina
N1  - Monografía
ER  -