TY  - BOOK
ED  - Pan American Health Organization.
ED  - Universidad de Costa Rica.
TI  - Control and eradication of infectious diseases: an international symposium 
SN  - 9275320012
PY  - 1985///
CY  - Washington, D.C.
PB  - Pan American Health Organization
KW  - Communicable disease control
KW  - congresses
KW  - Americas
ER  -