[ON THE ROLE OF VARIOUS SOURCES OF RESPIRATORY TRACT INFECTIONS IN CLOSED CHILDREN'S INSTITUTIONS (ON A DIPHTHERIA MODEL). I].
D000293:Adolescent; D002353:Carrier State; D002648:Child; D004165:Diphtheria; D004813:Epidemiology; D006801:Humans; D012141:Respiratory Tract Infections; D012572:School Health Services; D014069:Tonsillitis; D014586:USSR
ADOLESCENCE; CARRIER STATE; CHILD; DIPHTHERIA; EPIDEMIOLOGY; RESPIRATORY TRACT INFECTIONS; SCHOOL HEALTH; TONSILLITIS; USSR
O POLI RAZNYKH ISTOCHNIKOV INFEKTSII DYKHATEL'NYKH PUTE I V ZAKRYTYKH DETSKIKH KOLLEKTIVAKH (NA MODELI DIFTERII). SOOBSHCHENIE I.