DE BARBIERI, A Isolation of endotoxins from Salmonellae paratyphi A and B: their protective activity against the specific experimental infection. [electronic resource] - Bollettino dell'Istituto sieroterapico milanese - 447-53 p. digital Publication Type: Journal Article ISSN: 0021-2547 Subjects--Topical Terms: EndotoxinsSalmonellaSalmonella paratyphi A