Comparison Of A Dry Powder Inhaler (Dpi) To A Pressurized Metered-Dose Inhaler (Pmdi) Formulation Of Extra Fine Beclomethasone Dipropionate/Formoterol Fumarate/Glycopyrronium Bromide (Bdp/Ff/Gb) In Patients With Copd: The Tri-D Study
EUROPEAN RESPIRATORY JOURNAL（2020）
关键词
COPD - management, RCT (Randomized Controlled Trial), Bronchodilators
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