TY  - BOOK
AU  - Echevarría,Edgar
AU  - Otero,Angel
TI  - Guía de salud dental
PY  - 1989///
CY  - Puerto Rico
PB  - [s.n.]
KW  - Mouth
KW  - Care and hygiene
KW  - Puerto Rico
KW  - Local
KW  - Teeth
KW  - Preventive dentistry
ER  -