1. Ahmed, A., and Scher, I., 1976, Studies on non-H-2-linked lymphocyte-activating determinants. II. Nonexpression of Mls determinants in a mouse strain of an X-linked B lymphocyte immune defect, J. Immunol. 117: 1922.
2. Ahmed, A., and Scher, I., 1979, Murine B-cell heterogeneity defined by anti-Lyb 5, an alloantiserum specific for a late appearing B-lymphocyte subpopulation, in: B Lymphocytes in the Immune Response (M. D. Cooper, D. E. Mosier, I. Scher, and E. S. Vitetta, eds.), pp. 117–124, Elsevier/North-Holland, New York.
3. Ahmed, A., Scher, I., and Sell, K. W., 1976, Functional studies of the ontogeny of the M-locus product: A surface antigen of murine B lymphocytes, in: Leukocyte Membrane Determinants Regulating Immune Reactivity (V. P. Eijsvoogel, D. Ross, and W. P. Zeijlemakers, eds.), pp. 703–709, Academic Press, New York.
4. Ahmed, A., Scher, I., and Sell, K. W., 1977a, Studies on non-H-2 linked lymphocyte-activating determinants. IV. Ontogeny of the Mls product on murine B cells, Cell. Immunol. 30: 122.
5. Ahmed, A., Scher, I., Sharrow, S. O., Smith, A. H., Paul, W. E., Sachs, D. H., and Sell, K. W., 1977b, B-Lymphocyte heterogeneity: Development and characterization of an alloantiserum which distinguishes B-lymphocyte differentiation alloantigens, J. Exp. Med. 145: 101.