title: A NEGATIVE ENRICHMENT TECHNIQUE FOR THE ISOLATION OF BETA HEMOLYTIC STREPTOCOCCI.
mesh_terms: D003470:Culture Media; D006801:Humans; D008829:Microbiology; D010406:Penicillins; D010614:Pharynx; D013291:Streptococcus
chemical_list: D003470:Culture Media; D010406:Penicillins
keywords: CULTURE MEDIA; MICROBIOLOGY; PENICILLIN; PHARYNX; STREPTOCOCCUS