Practical Geriatrics
Airway classification management in elderly patients with severe pneumonia and its effect on compliance
RUAN Zheng, ZHANG Yu-qin, JIN Ye, XUE Yan-li
Practical Geriatrics . 2021, (8): 812 -815 .  DOI: 10.3969/j.issn.1003-9198.2021.08.006