[Chronic infections of the upper respiratory organs in children and their effect on the bronchial tree].
D000367:Age Factors; D001982:Bronchial Diseases / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D006801:Humans; D007223:Infant; D012141:Respiratory Tract Infections / Q000150:complications*
Hronicne infekcije gornjih respiracijskih organa kod dece i njihov uticaj na bronhusno stablo.