化疗药物也试验过，一开始是单一药物，然后慢慢地试验致死性药物组合去消灭所有不正常的细胞。
Chemotherapeutic drugs were used, singly and then in increasingly lethal combinations to try to destroy all abnormal cells.
国际肝病：肝内胆管细胞癌是高致死性疾病，治疗手段也有限。
Heptology Digest: Intrahepatic Cholangiocarcinoma is a highly fatal disease with limited therapeutic options.
她是一位作家和翻译家，住在曼哈顿，当时正患慢性髓细胞样白血病，一种特殊的致死性血癌。
A writer and translator living in Manhattan, she was suffering from chronic myeloid leukemia, an especially deadly form of blood cancer.
该基因可在干细胞中将毒性小的5 -氟胞嘧啶(5 -FC)转变为5 -FU，该化疗药物由干细胞进入肿瘤细胞，产生致死性的旁观者效应。
This gene can convert a less toxic drug, 5-fluorocytosine (5-fc), to 5-fu inside the stem cells, and the chemotherapy can then seep out into the tumor, producing a lethal by-stander effect.
裸pc 12细胞移植组大鼠的旋转行为改善仅持续了2个月，且部分大鼠颅内有致死性肿瘤形成。
Although the unencapsulated PC12 cells could also improve the rotational behavior, the symptom improvement lasted only two months. In addition, several of the grafts developed into mortal tumor.
裸pc 12细胞移植组大鼠的旋转行为改善仅持续了2个月，且部分大鼠颅内有致死性肿瘤形成。
Although the unencapsulated PC12 cells could also improve the rotational behavior, the symptom improvement lasted only two months. In addition, several of the grafts developed into mortal tumor.
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