Efficacy and safety of twice-daily glycopyrrolate in patients with stable, symptomatic COPD with moderate-to-severe airflow limitation: the GEM1 study
LaForce, Craig ; Feldman, Gregory ; Spangenthal, Selwyn ; Eckert, Joerg H ; Henley, Michelle ; Patalano, Francesco ; D'Andrea, Peter
International journal of chronic obstructive pulmonary disease, 2016-01, Vol.11 (1), p.1233-1243 [Periódico revisado por pares]New Zealand: Dove Medical Press Limited
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