1. Cytodifferentiation during spermiogenesis in Lumbricus terrestris;Anderson;J. Cell. Biol,1967
2. Ontogeny of thymus cell function;Chakravarty;Ann. N.Y. Acad. Sci,1975
3. Antigenic specificities of bursal and thymic lymphocytes in the chicken;Forget;Immunology,1970
4. Ontogenesis of cell-mediated immunity in murine thymocytes and spleen cells and its acceleration by thymosin, a thymic hormone;Goldstein;J. Immunol,1971
5. Immunological capacity of the chicken embryo. I. Relationship between the maturation of lymphoid tissues and the occurrence of cell-mediated immunity in the developing chicken embryo;Janković;Immunology,1975