[Epidemiological study on hemolytic streptococci isolated from throats of elementary and junior high school pupils at 7 prefectures in Japan. Part I. Regional comparison of detection rate of group-A, B, C and G hemolytic streptococci].
D000293:Adolescent; D002648:Child; D006306:Health Surveys; D006801:Humans; D007564:Japan; D007830:Larynx / Q000382:microbiology*; D013291:Streptococcus / Q000302:isolation & purification*; D013292:Streptococcus agalactiae / Q000302:isolation & purification; D013297:Streptococcus pyogenes / Q000302:isolation & purification