title: [Molecular heterogeneity of typhoid-paratyphoid bacterial endotoxins. I. Fractionation method and some physical chemical properties of the fractions obtained].
mesh_terms: D002850:Chromatography, Gel; D004731:Endotoxins / Q000032:analysis*; D012482:Salmonella paratyphi A / Q000032:analysis* / Q000276:immunology; D012485:Salmonella typhi / Q000032:analysis* / Q000276:immunology
chemical_list: D004731:Endotoxins
vernacular_title: Molekuliarnaia geterogennost' preparatov éndotoksinov bakteriĭ tifo-paratifoznoĭ gruppy. I. Metodika fratsionirovaniia i nekotorye fiziko-khimicheskie svoĭstva poluchennykh fraktsiĭ.