TY  - BOOK
ED  - World Health Organization
TI  - International travel and health: vaccination requirements and health advice : situation as on 1 January 1990
SN  - 9241580151
PY  - 1990///
CY  - Geneva
PB  - World Health Organization
KW  - Communicable Disease Control
KW  - Vaccination
KW  - Travel
KW  - Risk factors
N1  - Includes index; Koleksi WHO Perpustakaan HUKM; 'Some relevent WHO publications' : p. 81-83
ER  -