Cervical cancer cells present HPV-E7 epitope to CD4+ tumor infiltrating lymphocytes (TIL) in association with histocompatibility leukocyte antigen (HLA) DR4. - Pilch,H.; Höhn,H.; Günzel,S.; Schäffer,U.; Seelig,R.; Seeliger,B.; Maeurer,M.J.; Knapstein,P.G. (Geburtsh u Frauenh, 2000)