title: Use of selective vs standard sheep blood agar for the diagnosis of hemolytic streptococcus group A pharyngitis.
mesh_terms: D001431:Bacteriological Techniques / Q000592:standards; D003470:Culture Media; D005188:False Negative Reactions; D006801:Humans; D010612:Pharyngitis / Q000175:diagnosis* / Q000209:etiology; D011933:Reagent Kits, Diagnostic / Q000592:standards; D013290:Streptococcal Infections / Q000175:diagnosis*; D013297:Streptococcus pyogenes
chemical_list: D003470:Culture Media; D011933:Reagent Kits, Diagnostic