title: Constitutional factors in children with asthma and recurrent bronchitis at school age.
mesh_terms: D000293:Adolescent; D000397:Air Pollution; D001249:Asthma / Q000453:epidemiology*; D001317:Austria; D001824:Body Constitution; D001991:Bronchitis / Q000453:epidemiology*; D002648:Child; D004485:Eczema / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D008457:Measles / Q000453:epidemiology; D014917:Whooping Cough / Q000453:epidemiology