title: STUDIES ON "SELECTION" AMONG SEROLOGICAL TYPES OF SHIGELLA FLEXNERI.
mesh_terms: D000941:Antigens; D001431:Bacteriological Techniques; D001435:Bacteriophages; D005823:Genetics; D012106:Research; D012760:Shigella; D012763:Shigella flexneri
chemical_list: D000941:Antigens
keywords: ANTIGENS; BACTERIOLOGICAL TECHNICS; BACTERIOPHAGE; EXPERIMENTAL LAB STUDY; GENETICS; SHIGELLA