na INLIS000000000011829 20240305022501 0010-0521011829 240305 | | en 615.371/WOR/w 615.371/WOR/w World Health Organization W.H.O. expert committee on biological standardization / World Health Organization 22 nd report Geneva : WHO, 1970 134 p.: ill.; 24 cm. VACCINES -- PHARMACOLOGY -- STANDARDIZATION