ArticleInternational journal of chronic obstructive pulmonary disease

Umeclidinium/Vilanterol Compared with Fluticasone Propionate/Salmeterol, Budesonide/Formoterol, and Tiotropium as Initial Maintenance Therapy in Patients with COPD Who Have High Costs and Comorbidities.

Ravi Kalhan et al.PubMed ↗Full text ↗Publisher ↗

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