Safety of once-daily glycopyrronium in patients with severe-to-very severe COPD: The SPARK study
Marc Decramer, Jadwiga A. Wedzicha, Joachim H. Ficker, Angel FowlerTaylor, Peter D'Andrea, Christie Arrasate, Hungta Chen, Donald Banerji
European Respiratory Journal Sep 2013, 42 (Suppl 57) P3389;