TY  - BOOK
ED  - World Health Organization.
TI  - International travel and health : situation as on 1 January 2003
SN  - 9241580283
PY  - 2003///
CY  - Geneva : 
PB  - World Health Organization
KW  - Communicable disease control
KW  - Travel
KW  - Vaccination
KW  - Standards
KW  - Risk factors
ER  -