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Pulmonary function response to short-acting bronchodilator and 3 months of treatment with salmeterol/fluticasone according to baseline GOLD severity stage
Data are expressed as means with standard deviations. FEV1, forced expiratory volume in 1 sec; FVC, forced vital capacity; TLC, total lung capacity; IC, inspiratory capacity; FRC, functional residual capacity; RV, residual volume.
