title: Morphology of bacteriophages used for typing Shigella flexneri.
mesh_terms: D001434:Bacteriophage Typing; D001435:Bacteriophages / Q000145:classification; D008854:Microscopy, Electron; D012760:Shigella / Q000145:classification*; D012965:Sodium Chloride; D014461:Ultracentrifugation
chemical_list: D012965:Sodium Chloride