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Associations among dust mite allergen, Der 1 (μg/m2), and incidence of asthma or wheezing using a logistic regression model adjusted for high levels of maternal total serum IgE, active smoking/passive smoking based on the urinary cotinine level in mid‐pregnancy, passive smoke after birth, children's sex, lower respiratory inflammation, respiratory syncytial virus infection, presence of indoor pets and climatic region
