000 00415nam#a2200157ua#4500
001 GOACATREC14219
900 0 0 _a19990830
901 0 0 _aENG
020 0 0 _a9241208147
903 0 0 _a62671
245 0 0 _aWho Expert Committee on Biological Standardization
110 0 0 _aWorld Health Organization
440 0 0 _aWho Technical Report Series 814
902 0 0 _a341.76505
260 0 0 _aGeneva
_bWorld Health Organization
_c1991
999 _c14240
_d14240