000 | 00326nam a2200097Ia 4500 | ||
---|---|---|---|
008 | 220729s2001 xx 000 0 und d | ||
041 | _aeng | ||
100 | _aWHO | ||
245 | _aInternational travel and health: vaccination requirements and health advice situation as on 1 jan- 2001 | ||
260 |
_aGeneva _bWHO Regional Publications _c2001 |
||
999 |
_c131866 _d131866 |