Effect of Recent Exacerbation History on the Efficacy of Once-Daily Single-Inhaler Fluticasone Furoate/Umeclidinium/Vilanterol Triple Therapy in Patients with Chronic Obstructive P... oleh Panettieri Jr RA, Camargo CA Jr, Cheema T, El Bayadi SG, Fiel S, Vila TM, Jain RG, Midwinter D, Thomashow B, Ludwig-Sengpiel A, Lipson DA