T-serotypes of group A streptococci in various clinical conditions and school children in north India.
D002648:Child; D006801:Humans; D007194:India; D012703:Serotyping; D013290:Streptococcal Infections / Q000453:epidemiology / Q000382:microbiology*; D013297:Streptococcus pyogenes / Q000302:isolation & purification*