CJCP     2018 20 (1):  67-71    ISSN: 1008-8830  CN: 43-1301/R Research progress in drug therapy for bronchopulmonary dysplasia in preterm infants YANG Yu-Chen, MAO Jian, LI Juan Department of Neonatology, Shengjing Hospital of China Medical University, Shenyang 110004, China Received: 2017-08-21  Revised: 2017-11-29  Online: null Supporting info null