1. Bradner, W. T., Clarke, D. A. and Stock, C. C.: Stimulation of host defense against experimental cancer I. zymosan and sarcoma 180 in mice.,Cancer Res.,18, 347 (1958).
2. Chihara, G., Harumo, J. and Maeda, Y.: Fractionation and purification of the polysaccharide with marked antitumor activity, especially lentinan fromLentinus edodes (Berk.) Sing. (an edble mushroom),ibid.,30, 2776 (1970).
3. Chihara, G. and Maeda, Y. Y.: Lentinan, a new immunoaccelerator of cell-mediated responses,Nature,229, 634 (1971).
4. Harumo, J., Rollinghoff, M. and Wagner, H.: Induction of cytotoxic peritoneal exudate cells by T-cell immune adjuvants of the β (1–3) glucantype lentinan and its analogues,Immunology,39, 551 (1980).
5. Kang, C.Y., Lee, C.O., Chang, K.S., Choi, E.C. and Kim, B.K.: An antitumor component ofLaetiporus sulphureus and its immunostimulaing activityibid.,,5, 39 (1980).