Singh D, Rabe KF, Martinez FJ, Krull M, et al. Relationship between prior inhaled corticosteroid use and benefits
ofbudesonide/glycopyrronium/formoterol fumarate dihydrate on exacerbations,
symptoms, health-related quality of life, and lung function in patients with
chronic obstructive pulmonary d Respir Med 2022;197:106857.
PMID: 35512458