[Diphtheria in a closed children's environment].
D000293:Adolescent; D002648:Child; D002673:Child, Hospitalized; D002675:Child, Preschool; D004165:Diphtheria / Q000453:epidemiology* / Q000401:mortality; D006801:Humans; D011044:Poland
Zachorowania na błonice w zamknietym środowisku dzieciecym