1. 1) Hattori T, Inokuchi K, Taguchi T, Abe O. Postoperative adjuvant chemotherapy for gastric cancer, the second report. Analysis of data on 2,873 patients followed for five years. Jpn J Surg, 16: 175-180, 1986.
2. 2) Allum WH, Hallissey MT, Ward LC, Hockey MS, for the British Stomach Cancer Group. A controlled, prospective, randomized trial of adjuvant chemotherapy or radiotherapy in resectable gastric cancer: interim report. Br J Cancer, 60: 739-744, 1989.
3. 3) Inokuchi K. Prolonged survival of gastric cancer patients on specific adjuvant chemotherapy. Jpn J Surg, 14: 351-359, 1984.
4. 4) Hirose K, Zachariae COC, Oppenheim JJ, Matsushima K. Induction of gene expression and production of immunomodulating cytokines by PSK in human peripheral blood mononuclear cell. Lymphokine Research, 9: 475-483, 1990.
5. 5) Kitami H, Tsuru S, Oguchi M, Watanabe M, Zinnaka Y. Effect of PSK in interferon production in tumor-bearing mice. J Clin Lab Immunol, 15: 211-214, 1984.