Demographic, phenotypic, and genotypic characteristics by race*
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*FEV1 denotes forced expiratory volume in 1 second, FVC forced vital capacity, SD standard deviation, ADRB2 beta2 adrenergic receptor gene**GOLD Stage II obstructive lung disease defined as percent-predicted FEV11/FVC[26]?p2 test of heterogeneity for Rx2 contingency table for categorical variables or ANOVA F test for continuous variables, transformed as needed
创建时间：
2015-12-02
