Functional Cloning of IGFBP-3 from Human Microvascular Endothelial Cells Reveals its Novel Role in Promoting Proliferation of Primitive CD34 +CD38- Hematopoietic Cells In Vitro - Li-Qin Liu; Margaret Sposato; Hai-Yan Liu; Tracy Vaudrain; Meng-Jiao Shi; Kristin Rider; Zack Stevens; Jan Visser; Hong-Kui Deng; Morey Kraus (Oncology Research, 2002)