000 004880000a22001690004500
100 _aWorld Health Organisation (WHO)
245 _aWHO expert committee on biological standardization
260 _aGeneva
300 _a111p
490 _aWHO Technical Report
590 _aLONG LOAN
_b04-18160
650 _aHealth education-school
650 _aAbortion,Induced-methods
650 _aBiological products-standards
852 _90
949 _aRA 8 .A1 .W6 1999
_i1028765
999 _c24529
_d24529