Morphine for dyspnoea in chronic obstructive pulmonary disease: a before–after efficacy study
Yoshinobu Matsuda, Tatsuya Morita, Hirotaka Matsumoto, Keita Hosoi, Kayo Kusama, Yasuo Kohashi, Hiroshi Morishita, Sawako Kaku, Keisuke Ariyoshi, Shunsuke Oyamada, Yoshikazu Inoue, Satoru Iwase, Takuhiro Yamaguchi, Mitsunori Nishikawa
BMJ Supportive & Palliative Care Dec 2021, 11 (4) 427-432; DOI: 10.1136/bmjspcare-2019-001929
