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Autor:
Katsuhiro Fukuda
Publikováno v:
Journal of School Health. 53:487-490
During a follow-up study of pharyngeal carrier of beta-hemolytic streptococci among school children in three classes (ages 8–9) in Sapporo City, an epidemic of group A, T4 streptococcal carrier was observed. The epidemic started in February 1978 in