title: [Extracting and studying the properties of the surface antigens of paratyphoid A bacteria].
mesh_terms: D000941:Antigens / Q000032:analysis* / Q000302:isolation & purification; D000939:Epitopes
chemical_list: D000941:Antigens; D000939:Epitopes
vernacular_title: Poluchenie i izuchenie svoĭstv poverkhnostnykh antigenov bakteriĭ paratifa A.