1. Abdou, N. I., Richter, M.: Cells involved in the immune response. VI. The immune response to red blood cells in irradiated rabbits after administration of normal, primed, or immune allogeneic rabbit bone marrow cells. J. exp. Med. 129, 757–774 (1969).
2. Ackerman, G. A.: Cytochemistry of the lymphocytes. In: The Lymphocyte and Lymphocytic Tissue (J. W. Rebuck, ed.), p. 29–53. New York: Hoeber 1960.
3. Ada, G. L., Lang, P. G., Plymin, G.: Antigen in tissues. V. Effect of endotoxin on the fate of, and on the immune response to, serum albumin and to albumin-antibody complexes. Immunology 14, 825–836 (1968).
4. Adler, F. L., Fishman, M., Dray, S.: Antibody formation initiated in vitro. III. Antibody formation and allotypic specificity directed by ribonucleic acid from peritoneal exudate cells. J. Immunol. 97, 554–558 (1966).
5. Agnew, H. D.: The effect of heterologous antilymphocytic serum on the small lymphocyte population of rats. J. exp. Med. 128, 111–119 (1968).