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1. The patient's condition was monitored closely to ensure that the bulbocapnine levels remained within safe limits.
患者的状况被密切监测，以确保脑脊液水平保持在安全范围内。
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2. The neurosurgeon performed a delicate procedure to remove the blockage in the ventricles, which improved the patient's cognitive function significantly.
神经外科医生执行了一个精细的手术来清除脑室中的阻塞物，这显著改善了患者的认知功能。
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3. The study revealed that certain medications can alter the composition of the cerebralspinal fluid, potentially affecting brain health.
研究表明，某些药物可以改变脑脊液的成分，可能影响大脑健康。