Long-term Extension Study of the Safety, Tolerability, and Efficacy of Aclidinium Bromide in Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD) (LAS-MD-36)

chronic obstructive pulmonary disease, copd, chronic bronchitis, emphysema, airflow obstruction, chronic, chronic airflow obstruction, chronic obstructive airway disease, chronic obstructive lung disease, interventional, phase3