CJCP     2016 18 (6):  488-491    ISSN: 1008-8830  CN: 43-1301/R Efficacy of heated humidified high-flow nasal cannula in preterm infants aged less than 32 weeks after ventilator weaning KANG Wen-Qing, XU Bang-Li, LIU Da-Peng, ZHANG Yao-Dong, GUO Jing, LI Zhao-Hui, ZHOU Yan-Juan, XIONG Hong Neonatal Intensive Care Unit, Zhengzhou Children's Hospital, Zhengzhou 450018, China Received: 2016-01-29  Revised: 2016-05-09  Online: null Supporting info