Szathmáry, J Standardization of human antivaccinia immunoglobulins and elaboration of a national substandard preparation. [electronic resource] - Developments in biological standardization 1974 - 20-4 p. digital Publication Type: Journal Article ISSN: 0301-5149 Subjects--Topical Terms: AnimalsAntibodies, Viral--isolation & purificationBiological Products--standardsChemical FractionationChick EmbryoEthanol--metabolismFreeze DryingHumansImmunoglobulins--isolation & purificationVaccinia virus--immunologygamma-Globulins--isolation & purification