CJCP     2021 23 (4):  369-374    ISSN: 1008-8830  CN: 43-1301/R Risk factors for endotracheal intubation during resuscitation in the delivery room among very preterm infants OU Jiang-Feng, WU Yan, ZHONG Xiao-Yun, CHEN Wen, GONG Hua Department of Neonatology, Health Center for Children and Women, Chongqing 401147, China Received: 2021-02-02  Revised: 2021-03-10  Online: null Supporting info