TY  - BOOK
ED  - World Health Organization.
TI  - International travel and health: situation as on 1 January 2009
SN  - 9789241580427
SN  - 0254-296X
PY  - 2009///
CY  - Geneva
PB  - World Health Organization, 
KW  - Communicable disease control
KW  - Travel
KW  - Vaccination
KW  - standards
KW  - Risk factors
N1  - Issued annually; Library has earlier editions in its archives; 2004 ed. published only electronically
UR  - http://apps.who.int/iris/
UR  - http://apps.who.int/iris/
UR  - http://apps.who.int/iris/
ER  -