Brain surgeries often go 8 hours.

脑部手术一般需要8小时。

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It's typically after brain surgeries.

一般来说是脑部手术。

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The Hunan Brain Hospital in Changsha, as well as the Air Force Guangzhou Hospital, perform 100 or more of the brain surgeries a year for mental illness, according to hospital staff.

长沙湖南脑科医院及广州空军医院也都做这类脑手术。据医院方面的人说，他们每年要完成至少100例这样的手术。

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Memorial Hermann's open-heart surgery live tweet was a world first, although other hospitals have used to Twitter to cover different operations before, including a few brain surgeries.

CNN: Hospital to live tweet brain surgery, put pics on Pinterest

Anesthesiologists paralyze patients undergoing sensitive surgeries on the spine, brain or heart by bathing cellular receptors with strong muscle relaxants.

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