[Etiology of acute and chronic diseases of the respiratory organs in children].
D000208:Acute Disease; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D006801:Humans; D012141:Respiratory Tract Infections / Q000209:etiology*
Ob étiologii ostrykh i khronicheskikh zabolevaniĭ organov dykhaniia u deteĭ