TY  - BOOK
ED  - World Health Organization ( WHO )
TI  - International travel and health : situation as on 1 January 2008
SN  - 9789241580403
U1  - 362.1969 
PY  - 2008///
CY  - Geneva
PB  - W.H.O
KW  - Vaccination - Standards
KW  - Communicable Disease Control
ER  -