CJCP     2011 13 (6):  475-477    ISSN: 1008-8830  CN: 43-1301/R Correlation between the ratio of serum vascular endothelial growth factor/endostatin and childhood acute leukemia GU Jiao-Wei, HU Zhong-Dong, LIU Zhuang Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China. prof_liu@163.com Received: null  Revised: null  Online: null Supporting info