000 00286nam a2200097Ia 4500
008 220729s2002 xx 000 0 und d
041 _aeng
100 _aWHO
245 _aChlorine dioxide -37 nitrosodimethylamine 38 a acrylonitrile 39
260 _aGeneva
_bWHO Regional Publications
_c2002
999 _c132045
_d132045