title: S-R dissociation in Shigella flexneri populations. II. Selection of R forms under certain environmental conditions.
mesh_terms: D000388:Air; D001431:Bacteriological Techniques; D003470:Culture Media; D004777:Environment; D005827:Genetics, Microbial; D005828:Genetics, Population; D009747:Nutritional Physiological Phenomena; D012641:Selection, Genetic; D012760:Shigella / Q000254:growth & development* / Q000378:metabolism
chemical_list: D003470:Culture Media