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  • Title: Influence of aeroallergens on bronchial reactivity in children sensitized to grass pollens.
    Author: Barbato A, Pisetta F, Norbiato M, Ragusa A, Mesirca P, Pesenti P, Marcer G.
    Journal: Ann Allergy; 1986 Feb; 56(2):138-41. PubMed ID: 3946846.
    Abstract:
    Nine children, sensitized to grass pollens, with seasonal rhinitis and mild asthma underwent bronchial challenge with carbachol and EIA test repeatedly either during a pre-seasonal or in seasonal period. We failed to find any significant difference between pre-seasonal and seasonal values in both tests. We believe that atmospheric conditions are an important determinant of our results. It is our hypothesis that a threshold concentration in atmospheric pollen may exist which must be reached before an allergic reaction is evident.
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