Human Papillomavirus (HPV) DNA in primary cervical cancer and in cancer free pelvic lymph nodes - correlation with clinico-pathological parameters and prognostic significance - Pilch, H; Günzel, S; Schäffer, U; Tanner, B; Brockerhoff, P; Maeurer, M; Höckel, M; Hommel, G; Knapstein, P G (Zentralblatt für Gynäkologie, 2001)