Experimental study on aging effect of Angelica sinensis polysaccharides combined with cytarabine on human leukemia KG1α cell lines Preliminary studies on physicochemical properties of Angelica sinensis polysaccharide-iron complex Effects of combined injection of Angelica sinensis polysaccharide and cytarabine on bone marrow mononuclear cells of transplanted human leukemia mice Effects of Angelica sinensis Polysaccharides on Hepatic Drug Metabolism Enzymes Activities in Mice Protective effect of Angelica sinensis polysaccharides on subacute renal damages induced by D-galactose in mice and its mechanism Angelica sinensis polysaccharides delay aging of hematopoietic stem cells through inhibitting oxidative damge Effect of Angelica sinensis polysaccharide on expression of telomere, telomerase and P53 in mice aging hematopoietic stem cells