TY  - BOOK
ED  - World Health Organization
TI  - International travel and health: Situation as on 1 January 2009 
SN  - 978-92-4-158042-7
PY  - 2009///
CY  - Geneva
PB  - World Health Organization
KW  - Communicable disease control
KW  - Travel
KW  - Vaccination
KW  - standards
KW  - Risk factors
N1  - Includes index
ER  -