TY  - BOOK
ED  - Pan American Sanitary Conference
TI  - Cuadernos amarillos
AV  - RA422 .P25 1947b
U1  - 614.06387 19
PY  - 1946///-
CY  - Caracas
PB  - Editorial Grafolit
KW  - Public health
KW  - Congresses
ER  -