000			00324nam a2200133Ia 4500
100			_aWHO
020			_a92-4-120887-2
654			_aGeneral Reference Works
942			_cBK
245			_aWHO expert committee on drug dependence : 31st report
260			_aauth., Geneva _c1999
082			_aR 363.194 WHO/TRS
300			_a23p
999			_c28257 _d28257