000			00543nam a22001577a 4500
003			OSt
005			20191226215739.0
008			140725b xxu||||| |||| 00| 0 eng d
020			_a9241572124
060			_aWA 30 E 1999
245			_aEnvironmental health criteria 212 : _bprinciples and methods for assessing allergic hypersensitization associated with wxposure to chemicals.
260			_aJeneva: _bWorld Health Organization, _c1999.
300			_a399 p. _bill. _c14 cm.
650			_aHypersensitivity- chemically induced.
942			_2NLM _cWHO PUB
999			_c4240 _d4240