CJCP     2019 21 (12):  1159-1163    ISSN: 1008-8830  CN: 43-1301/R Clinical effect of white noise combined with glucose in reducing the pain of retinopathy screening in preterm infants REN Xiang-Fang, WANG Zi-Zhen, YANG Mei, LI Lei, KONG Xiang-Yong, FENG Zhi-Chun Bayi Children's Hospital, Seventh Medical Center, General Hospital of the Chinese People's Liberation Army, Beijing 100700, China Received: 2019-08-09  Revised: 2019-10-31  Online: null Supporting info