282 - Use of oxygen for delivery room resuscitation among very preterm infants in China:a multicenter retrospective analysis

Rujuan Chen, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, China (People's Republic); Jie Yang, Fudan Children's Hospital, China, Shanghai, China (People's Republic); Jianguo Zhou, Children”s Hospital of Fudan university, shanghai, Shanghai, China (People's Republic); Yinping Qiu, General hospital of Ningxia Medical University, Yinchuan, Ningxia, China (People's Republic)