title: A study of particle sizes, shapes and toxicities present in a boivin-type endotoxic preparation.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes / Q000032:analysis; D002499:Centrifugation, Density Gradient; D003956:Dialysis; D004731:Endotoxins / Q000494:pharmacology*; D004926:Escherichia coli / Q000032:analysis*; D006241:Haptens / Q000032:analysis*; D005779:Immunodiffusion; D051379:Mice; D008854:Microscopy, Electron; D011749:Pyrogens; D011817:Rabbits
chemical_list: D002247:Carbon Isotopes; D004731:Endotoxins; D006241:Haptens; D011749:Pyrogens