000 00314nam a2200121Ia 4500
100 _aWHO
020 _a978 92 4 158039 7
942 _cBK
245 _aInternational travel and health
_bsituation as on 1 January 2007
260 _aWorld Health organization, Geneva
_c2007
082 _a614.47 WHO
300 _aix,227
999 _c41190
_d41190