000 00414nam a2200121Ia 4500
100 _aWorld Health Organization, United Nations Environment Programme & ILO
020 _a92-4-157212-4
942 _cBK
245 _aPrinciples and methods for assessing allergic hypersensitization associated with exposure to chemicals
260 _aWHO, Geneva
_c1999
082 _a363.7384 WHO/EHC
300 _axxix,399p figs.,tabs.
999 _c29449
_d29449