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The allele and genotype frequencies of the SNPs in the candidate genes
*Each p value was calculated with co-dominant, dominant and recessive models. Logistic regression analysis was applied to control for age, sex atopy as covariables. E, glutamate; G, glycine; T, threonine; I, isoleucine; AIU, ASA-induced urticaria/angioedema; NS, non significant.
