![Digit ratio as a risk factor for muscle dysfunction and acute exacerbation in patients with chronic obstructive pulmonary disease]()
Digit ratio as a risk factor for muscle dysfunction and acute exacerbation in patients with chronic obstructive pulmonary diseaseJin, Jing; Li, Guan-Jian; Li, Feng-Sen; Wang, Jing; Jing, Jing; Li, Zheng; Xin, Xiao-Yi; Zheng, Qian; Wang, Kun-Ling; Liu, Hui-Fang; Tao, Si-Ming · Journal of International Medical Research · 2020