title: [Studies on a new selective enrichment medium for the isolation of beta-hemolytic streptococci].
mesh_terms: D003470:Culture Media; D006801:Humans; D013290:Streptococcal Infections / Q000382:microbiology; D013292:Streptococcus agalactiae / Q000254:growth & development / Q000302:isolation & purification*
chemical_list: D003470:Culture Media