CJCP     2007 9 (1):  75-76    ISSN: 1008-8830  CN: 43-1301/R High risk factors during the perinatal period and relevant complications in preterm infants CHEN Yu-Ming, XIE Guang-Qing, ZHANG Xiao-Min, YANG Bing-Yan, GAO JIan-Hui Department of Neonatology, Bo'ai Hospital of Zhongshan City, Zhongshan, Guangdong 528403, China Received: null  Revised: null  Online: null Supporting info