CJCP     2015 17 (5):  453-458    ISSN: 1008-8830  CN: 43-1301/R Risk factors for extrauterine growth restriction in preterm infants with gestational age less than 34 weeks CAO Wei, ZHANG Yong-Hong, ZHAO Dong-Ying, XIA Hong-Ping, ZHU Tian-Wen, XIE Li-Juan Department of Neonatalogy, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200092, China Received: 2014-09-30  Revised: 2014-12-09  Online: null Supporting info