- Heterologous antisera to Lyt-1+, 2- -derived antigen-binding factor detect a subfactor of an antigen-specific suppressor factor and cell surface proteins on Lyt-1+, 2- and Lyt-1-, 2+ T cells. Cone, R.E., Rosenstein, R.W., Tite, J., Ptak, W., Gershon, R.K. J. Immunol. (1983)









