Observation of the curative effect of noninvasive positive pressure ventilation combined with lobeline in the treatment of COPD complicated with respiratory failure
Wu Yingying, Jiang Chengyang, Guo Weidong, Guo Yanfen
International Medicine and Health Guidance News . 2022, (16): 2272 -2275 .  DOI: 10.3760/cma.j.issn.1007-1245.2022.16.012

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