英语语法分析

Intraspinal commonly used drug methotrexate and cytarabine.

椎管内常用的药物有甲氨喋呤及阿糖胞苷。

The pretreatment regimen was Cytarabine, Etoposide, Cyclophosphamide and total body irradiation.

预处理选用阿糖胞苷、足叶乙苷、环磷酰胺和全身照射。

Drugs such as methotrexate, cytarabine and hydrocortisone are injected into the spinal fluid to prevent CNS leukemia.

甲氨蝶呤、阿糖胞苷和皮质醇等药物被注射到患者的脊髓液中，以预防中枢神经系统白血病的发生。