1. B70 antigen is a second ligand for CTLA-4 and CD28;Azuma;Nature,1993
2. Functional expression of B7/BB1 on activated T lymphocytes;Azuma;J. Exp. Med.,1993
3. Differential regulatory signals delivered by antibody binding to the CD28 (Tp44) molecule during the activation of human T lymphocytes;Damle;J. Immunol.,1988
4. Costimulation of T lymphocytes with integrin ligands intercellular adhesion molecule-1 or vascular cell adhesion molecule-1 induces functional expression of CTLA-4, a second receptor for B7;Damle;J. Immunol.,1994
5. B7, a B cell-restricted antigen that identifies preactivated B cells;Freedman;J. Immunol.,1987