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  • Title: [Methacholine test in the study of non-specific bronchial reactivity in a group of patients allergic to pollen].
    Author: Balduin R, Festi G, Sieve R, Benetollo V, Tanzola C, Franco R, Zuin R.
    Journal: Arch Monaldi Mal Torace; 1990; 45(6):439-47. PubMed ID: 2152753.
    Abstract:
    We have studied thirty subjects sensitive to pollens suffering from seasonal rhinitis and/or mild seasonal asthma. The patients were submitted to a preseasonal and to a seasonal evaluation of their bronchial reactivity by means of a metacholine provocation test in order to measure possible variations of their responsiveness. Our data shown that the metacholine provocation test is not substantially influenced by seasonal pollen stimulation; it is likely that in patients sensitive to pollens, aspecific bronchial reactivity is intermittent, so explaining the inconstant behaviour of responsiveness observed in our allergic patients.
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