CJCP     2010 12 (04):  290-292    ISSN: 1008-8830  CN: 43-1301/R Stem cell factor secretion by bone mesenchymal stem cells stimulated with astragaloside IV TAN Yan-Fang, YIN Xiao-Cheng, XIONG Yu-Juan, WANG Yan Department of Pediatrics, First Hospital, Nanhua University, Hengyang, Hunan 421001 China. Email:xcyin108@sina.com Received: null  Revised: null  Online: null Supporting info