A randomized controlled trial of long-acting muscarinic antagonist and long-acting β2 agonist fixed-dose combinations in patients with chronic obstructive pulmonary disease

by Masato Muraki, Yuki Kunita, Ken Shirahase, Ryo Yamazaki, Soichiro Hanada, Hirochiyo Sawaguchi, Yuji Tohda
Published 2021-01-01