For more advanced medical technologies, like chemotherapy or organ transplantation, antibiotics are needed to prevent and treat infections while patients heal.

而对于更先进的医学技术，如化疗或器官移植，抗生素更是必不可少的预防或治疗感染的药物。

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The main risk factors of hospital infections were the WBC decline and the usage of chemotherapy, hormones and antibiotics.

白细胞下降、化疗、激素和广谱抗生素使用是院内感染的主要危险因素。

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They already have contributed to the development of the antibiotics erythromycin and tetracycline, the cancer chemotherapy drug doxorubicin, Wyeth's transplant drug Rapamune, and Merck's cholesterol-lowering medicine, Mevacor.

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It can be used also to monitor resistance to antibiotics and follow the progression of treatment of cancer patients undergoing chemotherapy or radiation.

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Take chemotherapy, and it would destroy his kidneys, which had already been weakened by prolonged courses of antibiotics.

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