Follow-up observation of catch-up growth of preterm infants after discharge and risk factors for extrauterine growth retardation
GAO Xiao-Yan, FENG Lin, XU Jing, PAN Xin-Nian
CJCP . 2018, (6): 438 -443 .  DOI: 10.7499/j.issn.1008-8830.2018.06.002