title: Relationship between particle size and biological activity of Salmonella typhimurium endotoxin.
mesh_terms: D000096:Acetone; D000315:Adrenalectomy; D000818:Animals; D000917:Antibody Formation; D002850:Chromatography, Gel; D003956:Dialysis; D004731:Endotoxins / Q000032:analysis / Q000302:isolation & purification / Q000494:pharmacology*; D006386:Hemagglutination Tests; D007106:Immune Sera; D007274:Injections, Intraperitoneal; D051379:Mice; D011817:Rabbits; D012486:Salmonella typhimurium; D012972:Sodium Hydroxide; D014238:Trichloroacetic Acid; D014461:Ultracentrifugation
chemical_list: D004731:Endotoxins; D007106:Immune Sera; D000096:Acetone; D012972:Sodium Hydroxide; D014238:Trichloroacetic Acid