TY  - BOOK
AU  -  World Health Organization 
TI  - International travel and health: vaccination requirements and health advice
SN  - 92 4 158025 9
U1  - WA110 
PY  - 2000///
CY  - Geneva
PB  - W H O
KW  - Risk Factors
KW  - Travel
KW  - Coomunicable Disease Control
N2  -  Coomunicable Disease Control, Travel, Risk Factors
ER  -