8Abbas,AK,Murphy,KM,et al.Functional diversity of helper T lymphocytesJ.Nature,1996,383:787-793
9Norihiko Yamamoto,Zou Jian ping,Li Xiao fei,et al.Regulatory mechanisms for production of IFN-γand TNF by antitumor T cell or macrophages in the tumor-bearing state[J.J.Immunol,1995,154:2281-2290