Purification of flavonoids from Drynariae Rhizoma by macroporous resin Effect of assemble flavone of Drynariae Rhizome on activity and calcium deposition of bone marrow stem cells of rabbit Purification of flavonoids from Drynariae Rhizoma by macroporous resin HPLC fingerprint of Drynariae Rhizoma Influence of superfine grinding on physicochemical properties of Drynariae Rhizoma HPLC fingerprint of Drynariae Rhizoma Optimum one-step granule technology of Compound Drynariae Rhizoma Tabletswith Bone-knitting Effect Influence of superfine grinding on physicochemical properties of Drynariae Rhizoma Optimum one-step granule technology of Compound Drynariae Rhizoma Tablets with Bone-knitting Effect