title: Heterogeneity of endotoxic bacterial lipopolysaccharides revealed by ion-exchange column chromatography.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D002852:Chromatography, Ion Exchange; D005779:Immunodiffusion; D008070:Lipopolysaccharides / Q000032:analysis*; D011817:Rabbits; D012706:Serratia marcescens; D012882:Skin Tests
chemical_list: D008070:Lipopolysaccharides