TY  - BOOK
AU  -  World Health Organization 
TI  - International travel and health: vaccination requirements and health advice ;situtation as on 1 Jan 1993
SN  - 92 4 158018 6
U1  - WA110 
PY  - 1993///
CY  - Geneva
PB  - W H O
KW  - Travel
KW  - Communicable Disease Control
N2  -  Communicable Disease Control, Travel
ER  -