title: Glycocalyx in virulent and avirulent strains of Shigella flexneri.
mesh_terms: D008854:Microscopy, Electron; D011135:Polysaccharides, Bacterial / Q000502:physiology*; D012763:Shigella flexneri / Q000648:ultrastructure*; D014774:Virulence
chemical_list: D011135:Polysaccharides, Bacterial