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; Maeurer, M J; Knapstein, P G; Knapstein, P G (Geburtshilfe und Frauenheilkunde, 2000)