a study of the frequency of major allergic manifestations -- asthma , allergic rhinitis , hay fever , atopic dermatitis and urticaria -- could be performed twice at 13 years interval ( 1968/1981 ) among kindergarten children ( 4-6 years old ) and 9th grade students ( 15 years old ) attending the geneva public schools .
C0004096
asthma
C1334103
allergic rhinitis