PUNTIGAM, F [The detection of vaccine virus in the blood of young cattle serving in vaccine production]. [electronic resource] - Zeitschrift fur Hygiene und Infektionskrankheiten; medizinische Mikrobiologie, Immunologie und Virologie 1953 - 319-24 p. digital Publication Type: Journal Article ISSN: 0340-1782 Subjects--Topical Terms: AnimalsCattleHumansSmallpoxVaccinesVariola virus