TY  - BOOK
AU  - World Health Organization
ED  - World Health Organization
TI  - International travel and health: situation as on 1 January 2002
SN  - 9789241580465
U1  - 362.1969 
PY  - 2011///
CY  - Geneva
PB  - World Health Organization
KW  - Communicable Disease control
KW  - Vaccination
ER  -