Six weeks in, all the rats underwent surgery to implant a drug-injection catheter in their jugular veins.
六个星期以后，所有的小鼠都被开了刀，在颈动脉植入药物注射导管。
In both groups, patients received an injection of saline into the catheter.
这两个组的患者都接受了通过导管注射生理盐水的治疗。
Hypoxia caused by incarceration of catheter, long-term continuous injection of chemotherapeutic agents or embolic agents.
导管嵌顿和长时间持续性注射化疗药物和栓塞剂所致的缺氧。
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