Comparison of three noninvasive ventilation modes in premature infants with respiratory distress syn⁃drome after extubation
LU Junying, LU Hongyan, CHANG Ming, WANG Qiuxia
The Journal of Practical Medicine . 2020, (20): 2797 -2801 .  DOI: 10.3969/j.issn.1006⁃5725.2020.20.010