Nakayama, T., Samelson, L. E., Nakayama, Y., Munitz, T. I., Sheard, M., June, C. H., and Singer, A.: Ligand-stimulated signaling events in immature CD4⁺CD8⁺ thymocytes expressing competent T-cell receptor complexes. Proc. Natl. Acad. Sci. USA 88:9949-9953 (1991). (10.896)