[Recurrent diseases and the respiratory tract].
D002648:Child; D002675:Child, Preschool; D003604:Czechoslovakia; D005260:Female; D005767:Gastrointestinal Diseases / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D012140:Respiratory Tract Diseases / Q000453:epidemiology*; D012871:Skin Diseases / Q000453:epidemiology*
Návratové ochorenia a respiracné orgány.