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  • Title: [Correlation of the degree of bronchial hyperreactivity and the intensity and onset of symptoms in asthmatic children].
    Author: Sienra Monge JJ, Balvanera Ortíz OD.
    Journal: Rev Alerg Mex (1987); 1991; 38(2):53-7. PubMed ID: 1754822.
    Abstract:
    We studied 51 children with stable bronchial asthma, we did a challenge with methacholine in different dilution until we found their PD20. Once we have it, we correlate this results with the age of onset of asthma and the severity of the symptoms. The results shows that if the symptoms start early in the life had more severe asthma and the PD20 is lower, this means that they have more hyperreactivity. Our results are similar to those found in the literature.
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