TY  - BOOK
ED  - World Health Organization
TI  - International Travel and Health: Vaccination requirements and health advice : situation as on 1 January 2001 
SN  - 92-4-158026-7
PY  - 2001///
CY  - Geneva
PB  - World Health Organization
KW  - Communicable disease control
KW  - Travel
KW  - Vaccination
N1  - Includes bibliographical references and index
ER  -