Systematic review of the effectiveness of intratracheal injection of pulmonary surfactant in the treatment of neonatal respiratory distress syndrome 
 XU Fen, LUO Jun, LI Hongping, HUANG Yan, LIN HungChih
临床儿科杂志 . 2017, (3): 223 .  DOI: 10.3969/j.issn.1000-3606.2017.03.017