Relation ship between effect of tetramethylpyrazine and Dan shen on inhibiting Lewis lung carcinoma growth and tumorangiogenesis Effect of extract from male zooid of Antheraea pernyi on hypoxia-inducible factor-1α expression in tumor-bearing rats after radiotherapy Inhibitive effect of polypeptide extract from scorpion venomon repopulation in H22 tumor cell during chemotherapy Effect ofFushenjiangxianningon diabetic nephropathyrats andstudyon its mechanism Isolation, purification, and biological activities of ray cartilage glycosaminoglycans