6Hung K, Hayashi R, Lafond-Walker A, et al. The central role of CD4(+) T cells in the antitumor immune response[J]. J Exp Med, 1998,188(12): 2357.
7Goedegebuure P T, Eberlein, The role of CD4^+ tumor-infiltrating lymphoeytes in human solid tumors [J]. Immunol Res, 1995,14(2):119.
8Rosenberg S A, Yang J C, Schwartzentruber D J, et al.Immunologic and therapeutic evaluation of a synthetic peptide vaccine for the treatment of patients with metastatic melanoma[J]. Nat Med, 1998, 4(3): 321.
9Advani S H, Kutty P M, Gopal R, et al. Immunity in oesophageal carcinoma[J]. J Surg Oncol, 1983, 24(4): 268.
10Olsen G N, Gangemi J D, Bronchoalveolar layage and the immunology of primary lung cancer [J].Chest, 1985,87(5) : 677.