Objective To provide a more scientific and precise animal model for experimental surgery of brachial plexus.

目的：为臂丛神经实验外科提供更加科学准确的动物模型。

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The debate on this question - should experimental surgery be allowed, in some cases, before long, costly trials are completed?

这一问题争论点点主要是：实验性的外科手术是否允许？是不是在做完长期的、成本很高的试验后在某些情况下才可以实行？

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Recent research suggests that giving pain-relieving drugs to animals that are undergoing experimental surgery does not invalidate the results.

目前的研究表明，给正在进行外科实验手术的动物服用止痛药并不会得出错误结果。

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In fact, Dr Kluger has successfully carried out experimental surgery on the neck vertebrae using infra-red guidance.

BBC: Robot reduces spinal surgery risk

Following surgery and experimental chemotherapy, he lived twenty more years before dying, in 2002, at the age of sixty, from a lung cancer that was unrelated to his original disease.

NEWYORKER: Letting Go

Then she underwent surgery to implant an experimental device that treats her blues by transmitting tiny pulses of electricity to nerves in her neck.

FORBES: Rewiring the brain