Efficacy of noninvasive positive pressure ventilation combined with drugs in the treatment of acute left heart failure and its effects on the levels of biological markers
XIN Qiu-ping, GAO Zhi-xu, QU Zhong-hui
Journal of Hebei Medical University . 2020, (10): 1121 -1125 .  DOI: 10.3969/j.issn.1007-3205.2020.10.002