Wang, Meng-Ting Dual Bronchodilators and β-Blockade for Cardiovascular Risk in Chronic Obstructive Pulmonary Disease-Reply. [electronic resource] - JAMA internal medicine 05 2018 - 731 p. digital Publication Type: Journal Article; Comment ISSN: 2168-6114 Standard No.: 10.1001/jamainternmed.2018.1450 doi Subjects--Topical Terms: Administration, InhalationBronchodilator AgentsCardiovascular DiseasesHumansPulmonary Disease, Chronic ObstructiveQuality ImprovementRisk Factors