Streptococcal infections and their control in the inner city: the Sinai-Druid, Baltimore experience.
D002648:Child; D002675:Child, Preschool; D003140:Communicable Disease Control; D005260:Female; D006268:Health Facilities; D006801:Humans; D008297:Male; D008396:Maryland; D008403:Mass Screening; D011203:Poverty; D012572:School Health Services; D013290:Streptococcal Infections / Q000517:prevention & control*; D013291:Streptococcus / Q000302:isolation & purification