CJCP     2016 18 (3):  206-210    ISSN: 1008-8830  CN: 43-1301/R Effect of caffeine citrate on early pulmonary function in preterm infants with apnea YU Mei, HUANG Jin-Hua, ZHU Rong, ZHANG Xu-Zhong, WU Wan-Yun, WEN Xiao-Hong Department of Pediatrics, Binhu Hospital of Southern District, First Hospital of Hefei City, Hefei 230061, China Received: 2015-11-30  Revised: 2016-01-15  Online: null Supporting info null