Practical Geriatrics
Morphological changes of diaphragm and related factors in elderly patients with AECOPD
LI Yan, WANG Xiao-xiao, SUN Li, NAN Shu-liang, HUO Shu-fen, REN Xiao-ping, WANG Shui-li, WEN Hong-xia
Practical Geriatrics . 2022, (11): 1101 -1105 .  DOI: 10.3969/j.issn.1003-9198.2022.11.006