1. Minimal model for the mechanism of antibody induction and paralysis by antigen;Bretscher,1968
2. An accessory cell-derived costimulatory signal acts independently of protein kinase C activation to allow T cell proliferation and prevent the induction of unresponsiveness;Mueller,1989
3. Clonal expansion versus functional clonal inactivation;Mueller,1989
4. CD28 ligation in T-cell activation;Ledbetter,1990
5. Binding of the B cell activation antigen B7 to CD28 costimulates T cell proliferation and interleukin 2 mRNA accumulation;Linsley,1991