TY  - GEN
TI  - International travel and health: vaccination requirement and health advise : situation as on 1st January 1992
SN  - 9241580178
U1  - 614.46 
PY  - 1992///
CY  - Geneva
PB  - WHO
KW  - COMMUNICABLE DISEASE CONTROL
KW  - TRAVEL
KW  - VACCINATION
ER  -