%0 Journal Article %K Bronchodilators %K Copd %K Clinical guidelines %K Database %K Inhaled corticosteroid %K Long-acting beta-agonists %K Long-acting muscarinic antagonists %K Maintenance therapy %K Observational study %B Pulm Ther %D 2022 %G eng %M 35015270 %R 10.1007/s41030-021-00179-0 %T First Maintenance Therapy for Chronic Obstructive Pulmonary Disease: Retrospective Analyses of US and UK Healthcare Databases %7 2022/01/12 %@ 2364-1754