previously , we demonstrated that cultures of human peripheral blood lymphocytes ( pbl ) stimulated with herpes simplex virus type 1 ( hsv-1 ) generate antigen-specific , major histocompatibility complex ( mhc ) restricted cytotoxic t lymphocytes ( ctl ) that tend to be cd4+ and restricted to hla-dr antigens .
C0086418
human
C0019764
hla-dr antigens