The potential protective effect of aminophylline on brain injury in premature infants：A retrospective study

BI Guangliang, LU Minqi, QIAN Xinhua, HUANG Weimin.
The Journal of Practical Medicine . 2021, (23): 3062 -3066 .  DOI: 10.3969/j.issn.1006⁃5725.2021.23.020