COPD — Tiotropium/Formoterol Via Discair® vs Tiotropium Monotherapy or Tiotropium + Formoterol Free Combination Treatment
Citation(s)
Comparison of Bronchodilator Efficacy of Tiotropium/Formoterol Combination Treatment Administered (qd) Via Discair® With Tiotropium (qd) Monotherapy or Tiotropium (qd) + Formoterol (Bid) Free Combination Treatment in Patients With Chronic Obstructive Pulmonary Disease (COPD)