000 00507nam a2200169Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
020 _a92-4-120800-7
040 _aNITIL
_cNITIL
082 _221st
_a574
_bW927W
110 _aWorld Health Organization (Geneva)
245 0 _aWHO expert committee on biological standardization
_bforty report
260 _aGeneva
_bWHO
_c1990
300 _a221p.
440 _aWHO technical report series/WHO; 800
650 _aBiological products-Standards
942 _cBKS
999 _c32135
_d32135