TY - JOUR T1 - Two cases of post-radiation osteosarcoma of the sacrum after pelvic irradiation for uterine cervical cancer A1 - Noh,J.M. A1 - Huh,S.J. JO - European Journal of Gynaecological Oncology VL - 28 IS - 6 SP - 497 EP - 500 SN - 2709-0086 Y1 - 2007 ER -