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
CJCP . 2018, (5): 368 -372 .  DOI: 10.7499/j.issn.1008-8830.2018.05.006