TY - JOUR T1 - Identification of chemotherapeutic refractory cases based on human chorionic gonadotropin values among patients with low-risk persistent trophoblastic disease treated with 8-day methotrexate-folinic acid A1 - Shigematsu,T. A1 - Hirakawa,T. A1 - Yahata,H. A1 - Sonoda,T. A1 - Kinukawa,N. A1 - Nakano,H. JO - European Journal of Gynaecological Oncology VL - 24 IS - 2 SP - 113 EP - 116 SN - 2709-0086 Y1 - 2003 ER -