TY  - BOOK
ED  - Estados Unidos.
TI  - Cancers of the oral cavity and pharynx: a statistics review monograph, 1973-1987 
U1  - 616.99431 
PY  - 1991///
CY  - Washington, DC.
PB  - US Departament of Health and Human Services
KW  - Boca
KW  - Cáncer
KW  - Investigaciones
ER  -