negative regulation of T cell activation via T cell receptor contact with antigen bound to MHC molecule on antigen presenting cell
negative regulation of t cell activation via t cell receptor contact with antigen bound to mhc molecule on antigen presenting cell
negative regulation of T lymphocyte activation via T cell receptor contact with antigen bound to MHC molecule on antigen presenting cell
negative regulation of t lymphocyte activation via t cell receptor contact with antigen bound to mhc molecule on antigen presenting cell