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
CJCP . 2015, (5): 453 -458 .  DOI: 10.7499/j.issn.1008-8830.2015.05.008