CJCP     2018 20 (5):  368-372    ISSN: 1008-8830  CN: 43-1301/R A single-center study on the incidence and mortality of preterm infants from 2006 to 2016 YAN Jun-Mei, HUANG Hui, LI Qian-Qian, DENG Xiao-Yi Xuzhou Maternal and Child Health Care Hospital, Xuzhou, Jiangsu 221009, China Received: 2017-12-13  Revised: 2018-03-20  Online: null Supporting info