TY - GEN AU - World Health Organization ED - WHO Expert Committee on Biological Standardization (1967 : Geneva). TI - WHO Expert Committee on Biological Standardization [meeting held in Geneva from 25 to 30 September 1967] : twentieth report T2 - (WHO technical report series ; 384) SN - 92-4-120384-6 PY - 1968/// CY - Geneva : PB - World Health Organization KW - Biological products KW - Standards KW - Antibiotics KW - Immune sera ER -