中国当代医药
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中国当代医药  2021, Vol. 28 Issue (27): 76-79    DOI:
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Clinical effect of bronchoscope combined with non-invasive positive pressure ventilation in the treatment of chronic obstructive pulmonary disease with respiratory failure
ZHANG Nan
Department of Critical Care Medicine,Iron Coal General Hospital of Liaojian Group,Liaoning Province,Tieling 112700,China
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