References:
MacDonald HR, Lees RK, Bron C. 1985. Cell surface glycoproteins involved in the stimulation of interleukin 1-dependent interleukin 2 production by a subline of EL4 thymoma cells. I. Functional characterization by monoclonal antibodies. J Immunol. 135(6):3944-50.
Luscher B, Rousseaux M, Lees R, MacDonald HR, Bron C. 1985. Cell surface glycoproteins involved in the stimulation of interleukin 1-dependent interleukin 2 production by a subline of EL4 thymoma cells. II. Structure, biosynthesis, and maturation. J. Immunol. 135(6):3951-7.