CJCP     2008 10 (4):  539-540    ISSN: 1008-8830  CN: 43-1301/R Clinical analysis of chronic lung disease in preterm infants GAO Xi-Rong, WU Yun-Qin, LI Lei, HUANG Mei, LIU Xin-Hui Department of Neonatology, Hunan Province Children's Hospital, Changsha 410007, China Received: null  Revised: null  Online: null Supporting info