Effect of flavonoids in Araliae Echinocaulis Radicis et Cortex on osteoporosis induced by retinoic acid in rats Effect of tanshitone on prevention and treatment of retinoic acid induced osteoporosis in mice In vitro Study on Realgar Induced Apoptosis of All-trans Acid Resistant Acute Promeylocytic Leukemia Cell Line (MR2) Effect of flavonoids in Araliae Echinocaulis Radicis et Cortex on osteoporosis induced by retinoic acid in rats Simulation of the Photosynthetic Reaction Center with an Artificial Solar Cell Reaction to Generate Triplet Moleculevia Charge Recombination Study on decoction‘s effect of different processed rhizomes of Cibotium barometz on retinoic acid induced male rats osteoporosis