1. Aisenberg, A. C., and Wilkes, B., 1964, Studies on the suppression of immune responses by the periwinkle alkaloids vincristine and vinblastine, J. Clin. Invest. 43:2394.
2. Akiyama, J., Kawamura, T., Gotohda, E., Yamada, Y., Hosokawa, M., Kodama, T., and Kobayashi, H., 1977, Immunochemotherapy of transplanted KMT-17 tumor in WKA rats by combination of cyclophosphamide and imrnunostimulatory protein-bound polysaccharide isolated from Basidiomycetes, Cancer Res. 37:3042.
3. Anaclerio, A., Conti, G., Goggi, G., Honorati, M. C., Ruggeri, A., Moras, M. L., and Spreafico, F., 1980, Effect of cytotoxic agents on suppressor cells in mice, Eur. J. Cancer
16:53.
4. Arcamone, F., 1981, Doxorubicin Anticancer Antibiotics ,Academic Press, New York.
5. Askenase, P. W., Hayden, B. J., and Gershon, R. K., 1975, Augmentation of delayed-type hypersensitivity by doses of cyclophosphamide which do not affect antibody responses, J. Exp. Med. 141:697.