A Study Based on Medical Records That Looks at the Duration of Use of Two Types of Inhalers With Different Medicines in Patients With Chronic Obstructive Pulmonary Disease (COPD)
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: Olodaterol/Tiotropium Bromide
- DRUG: Umeclidinium/ Vilanterol
Sponsor
Boehringer Ingelheim