The current status and correlation of exercise self-efficacy and hope level in COPD patients
LI Meng, LI Juan, AN Xin, WANG Yonghong, LIU Lu, ZHANG Dan, MA Jinghua
Tianjin Journal of Nursing . 2022, (6): 652 -655 .  DOI: 10.3969/j.issn.1006-9143.2022.06.005