TY  - GEN
TI  - International travel and health: situation as on 1 January 2003
SN  - 9241580283
U1  - 614.46 
PY  - 2003///
CY  - Geneva
PB  - WHO
KW  - COMMUNICABLE DISEASE CONTROL
KW  - Risk factors
KW  - Travel
KW  - Vaccination - standards
ER  -