title: Method of obtaining plaque-forming phage X of Shigella flexneri.
mesh_terms: D001435:Bacteriophages / Q000302:isolation & purification*; D002725:Chloroform / Q000494:pharmacology; D004798:Enzymes / Q000494:pharmacology; D012763:Shigella flexneri; D013696:Temperature; D014466:Ultraviolet Rays; D010948:Viral Plaque Assay; D014775:Virus Activation / Q000187:drug effects / Q000528:radiation effects
chemical_list: D004798:Enzymes; D002725:Chloroform