1. Cerny, J., and J. Ivänyi: Antigen dose requirements for inhibition of the IgM and IgG antibody response in chickens. Studies on the cellular level. Folia biol. (Praha) 12, 343–354 (1966).
2. Hanan, R., and J. Oyama: Inhibition of antibody formation in mature rabbits by contact with the antigen at an early age. J. Immunol. 73, 49–53 (1954).
3. Hanna, M. G., Jr.: An autoradiographic study of the germinal center in spleen white pulp during early intervals of the immune response. Lab. Invest. 13, 95–104 (1964).
4. Ivanyi, J., V. Valentova, and J. Cerny: The dose of antigen required for the supression of the IgM and IgG antibody response in chickens. I. The kinetics and characterization of serum antibodies. Folia biol. (Praha) 12, 157–167 (1966).
5. Jerne, N., A. Nordin, C. Henry, H. Funi, and A. Koros: The agar plaque technique, the target of the antigen and clonal selection. Inform. Exch. Group No. 5, Immunopathology, Sci. memo 46 (1965).