CJCP     2009 11 (12):  927-930    ISSN: 1008-8830  CN: 43-1301/R Effects of prolonged exposure of high concentration of oxygen on expression of vascular endothelial growth factor and its receptors in neonatal rat lungs FENG Hai-Yan, LU Ai-Zhen, ZHANG Xiao-Bo, WANG Li-Bo, CHEN Chao Children′s Hospital of Fudan University, Shanghai 201102, China. Email:chen6010@163.com Received: null  Revised: null  Online: null Supporting info