Effect of Weiganli on level of FL in bone marrow and serum of myelosuppressed anemic mice Effect of Polignum multiflorum polysaccharide on proliferation of hematopoietic progenitors in anemic mice Efficacy of Shenqi Fuzheng Injection combined with chemotherapy in treatment of acute myeloid leukemia and its effect on body‘s immune function Mechanism of Shengxue Pills on promotion of hematopoietic function in myelosuppression mice Mechanism of Shengxue Pills on promotion of hematopoietic function in myelosuppression mice