000 00390nam a2200133Ia 4500
100 _aWorld Health Organization
020 _a92-4-158023-2
654 _aHealth & Hygiene
942 _cBK
245 _aInternational travel and health : vaccination requirements and health advice : situation as on 1 January 1998
260 _aWHO, Geneva
_cc1998
082 _a616.9802 WHO
300 _a108p
999 _c30353
_d30353