Preoperative prognostic variables and the impact of postoperative adjuvant therapy on the outcomes of Stage I B or II cervical carcinoma patients with or without pelvic lymph node metastases: an analysis of 891 cases - Lai,C.H.; Hong,J.H.; Hsueh,S.; Ng,K.K.; Chang,T.C.; Tseng,C.J.; Chou,H.H.; Huang,K.G. (Cancer, 1999)