CJCP     2022 24 (8):  899-907    ISSN: 1008-8830  CN: 43-1301/R Birth weight curves of twin neonates with a gestational age of 25-40 weeks and their regional differences in 11 cities of China: an analysis of 17 256 cases HUANG Xiao-Yun, ZHU Yuan-Fang, LIU Hui-Long, WU Guang-Wu, LIU Chuan-Yong, ZENG Ding-Yuan, HE Jun, SHI Qing-Xi, CHEN Chang-Shui, ZHU Bin, WANG Gao-Xiong, SHI Hao, LU Hao-Hua Maternal and Child Health Care Hospital, Bao'an District of Shenzhen, Shenzhen, Guangdong 518102, China Received: 2022-04-07  Revised: null  Online: null Supporting info