Epidemiological survey of streptococcal infections within a school for amblyopia children.
D000293:Adolescent; D000550:Amblyopia; D002353:Carrier State / Q000517:prevention & control; D002648:Child; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008297:Male; D010406:Penicillins / Q000627:therapeutic use; D012213:Rheumatic Fever / Q000517:prevention & control; D012383:Romania; D012574:Schools; D013290:Streptococcal Infections / Q000453:epidemiology* / Q000517:prevention & control
D010406:Penicillins