000 00528nam a2200181Ia 4500
999 _c48227
_d48227
005 20211229091322.0
008 180712s9999 xx 000 0 und d
020 _a9241206101
082 _a615.1
_bWOR
_223
100 _aWORLD Health Organization
245 _aWHO expert committee on biological standardization
260 _aGeneva
_bWHO
_c1977
300 _a133 p.
440 _aWHO Technical report series 610
650 _aBiological standardization
650 0 _a WHO Technical report series 610
_9119608
942 _cPR