Effect of noninvasive ventilation treatment on osteocalcin and cognitive dysfunction in patients with obstructive sleep apnea ⁃ hypopnea syndrome 

MA Xiaorong, ZHANG Jingyi, ZONG Yunzhi, WANG Yong
The Journal of Practical Medicine . 2023, (2): 249 -254 .  DOI: 10.3969/j.issn.1006⁃5725.2023.02.021