Effect of SS8, the Active Part of Spatholobus suberectus Dunn, on Proliferation of Hematopoietic Progenitor Cells in Mice with Bone Marrow Depression Isolation of flavonoids from Spatholobus suberectus by high speed countercurrent chromatography and study on their anti-tumor activities Isolation of flavonoids from Spatholobus suberectus by high speed countercurrent chromatography and study on their anti-tumor activities Advances in studies of commercial Spatholobus suberectus (Spatholobus)