000 00337nam a2200133Ia 4500
100 _aWHO
020 _a92-4-120878-3
654 _aGeneral Reference Works
942 _cBK
245 _aWHO expert committee on biological standardization : 47th report
260 _aauth., Geneva
_c1998
082 _aR 615.3 WHO/TRS
300 _avi,101p
999 _c29244
_d29244