Pharmacology Chemotherapy fcd2f778 High dose Methotrexate is used for treatment of A Osteosarcoma B Rhabdomyosarcoma C Retinoblastoma D Ewings sarcoma High-Yield Explanation Refer Harrison 17th/612 Drugs needs for Osteosarcoma Doxorubicin Ifosfamide Cisplatin High dose Methotrexate with Leucovorin