000 00338nam a2200133Ia 4500
100 _aWHO
020 _a92-4-120889-9
654 _aGeneral Reference Works
942 _cBK
245 _aWHO expert committee on biological standaradization : 48th report
260 _aauth., Geneva
_c1999
082 _aR 615.3 WHO/TRS
300 _avi,111p
999 _c25086
_d25086