TY  - BOOK
TI  - International travel and health: vaccination requirements and health advice, situation as on 1 January 1990
SN  - 9241580151
U1  - 614.47 
PY  - 1990///
CY  - Geneva
PB  - WHO
KW  - VACCINATION
KW  - Communicable Disease Control
KW  - Travel
ER  -