The clinical characteristics and risk factors of acute exacerbations of chronic obstructive pulmonary disease combined with deep venous thrombosis
Yue Xiaoyan, Li Fengjie, Jiang Zhifeng, Zhu Yanan
Journal of Capital Medical University . 2021, (1): 153 -157 .  DOI: 10.3969/j.issn.1006-7795.2021.01.026