1. BACH, J. F. (1975) : The mode of action of immunosuppressive agents. p. 227-360. In Frontiers of Biology, 41, North-Holland Publishing Company, Amsterdam and Oxford.
2. CROWLE, A. J. (1975) : Delayed hypersensitivity in the mouse. Advan. Immunol., 20, 197-264.
3. ELLIOTT, B. E. AND HASKILL, J. S. (1974) : Separation of T effector cells in humoral and cellular immunity. Nature, 252, 607-608.
4. FALKOFF, R. AND KETTMAN, J. (1972) : Differential stimulation of precursor cells and carrier specific thymus-derived cell activity in the in vitro response to heterologous erythrocytes in mice. J. Immunol., 108, 54-58.
5. GORDON, J. AND Yu, H. (1973) : Relationship of T cells involved in cell-mediated immunity and antibody synthesis. Nature, New Biology, 244, 21-22.