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FEV1 at Week 12. Change from baseline in FEV1 measured up to 4 h post dose on Day 1 and Week 12. Data are presented as unadjusted mean ± standard error. Abbreviations: FEV1, forced expiratory volume in 1 sec. (Reproduced with permission of the European Respiratory Society. Eur Respir J October 2011;38:797-803; published ahead of print May 26, 2011) (54).
