000 00414nam#a2200157ua#4500
001 GOACATREC32559
900 0 0 _a19990903
901 0 0 _aENG
020 0 0 _a9241208481
903 0 0 _a74663
245 0 0 _aWho Expert Committee on Biological Standardization
110 0 0 _aWorld Health Organization
902 0 0 _a570.0218
650 0 0 _aBiological Products - Standards
260 0 0 _aGeneva
_bWorld Health Organization
_c1994
999 _c32564
_d32564