Effect of Buzhong Yiqi decoction on PI3K and AKT in spleen, stomach and lung of nude mice with lung adenocarcinoma transplantation tumor Effects of Buzhong Yiqi Decoction on Anticancer Activity and Toxicity Induced by Cyclophosphamide Effects of serums containing Buzhong Yiqi decoction with Astragalus Radix or Hedysari Radix on anti-immunosenescence in spleen lymphocytes of SAMP8 mice Effects of Buzhong Yiqi decoction on adriamycin induced heart failure in rats