CJCP     2021 23 (12):  1228-1233    ISSN: 1008-8830  CN: 43-1301/R The timing of withdrawal from caffeine citrate in very preterm infants ZHANG Xue-Fei, HE Xiao-Ri, LI Wen, WANG Tao, HU Jin-Tao, DONG Qing-Yi, CHEN Ping-Yang Division of Neonatology, Children's Medical Center, Second Xiangya Hospital, Central South University, Changsha 410011, China Received: 2021-09-01  Revised: null  Online: null Supporting info null