[An epidemiological survey of group A, B, C and G hemolytic streptococci isolated from elementary school-children. Part 1. Detection rate of streptococci].
D002648:Child; D006801:Humans; D007564:Japan; D010614:Pharynx / Q000382:microbiology; D013291:Streptococcus / Q000302:isolation & purification*; D013292:Streptococcus agalactiae / Q000302:isolation & purification; D013297:Streptococcus pyogenes / Q000302:isolation & purification