title: Free Endotoxin.
mesh_terms: D001431:Bacteriological Techniques; D002845:Chromatography; D004731:Endotoxins / Q000032:analysis*; D004925:Escherichia / Q000378:metabolism; D005779:Immunodiffusion; D012475:Salmonella / Q000378:metabolism; D012705:Serratia / Q000378:metabolism; D014733:Vibrio / Q000378:metabolism
chemical_list: D004731:Endotoxins