000 00369nam a2200133Ia 4500
100 _aWHO
020 _a92-4-158024-0
654 _aHealth & Hygiene
942 _cBK
245 _aInternational travel and health : vaccination requirements and health advice : situation as on 1 January 1999
260 _aauth., Geneva
_c1999
082 _a616.9802 WHO
300 _a108p
999 _c30496
_d30496