title: Recovery of group A beta-hemolytic streptococci from both tonsillar surfaces.
authors.forename: I
authors.initials: I
authors.lastname: Brook
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008297:Male; D008722:Methods; D014066:Palatine Tonsil / Q000382:microbiology*; D013290:Streptococcal Infections / Q000382:microbiology*; D013297:Streptococcus pyogenes / Q000302:isolation & purification; D014069:Tonsillitis / Q000382:microbiology*