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Association of rs37973 genotypes and changes in lung function after 24 weeks of inhaled corticosteroid therapy in 418 asthma patients. (A) The association between the rs37973 polymorphism and change in FEV1. (B) The association between the rs37973 polymorphism and change in FEV1 (% of predicted); ∗P < .05. FEV1 = forced expiratory volume in one second.
