The pre-stressed spring component could provide with a greater elastic force when the working stroke is short.

预压缩弹簧合件可以在工作行程不大的条件下提供较大的弹力；

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Methods: to observe the change of glucose metabolism of cerebral motor area in stroke patients between pre-acupuncture and after acupuncture during the movement using PET.

方法：用PET观察运动状态下中风患者针刺前后大脑细胞糖代谢变化。

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Objective To explore the occurrenced correlation between pre-morbid personality and correlative factors in patient with post-stroke depression(PSD)and stoke.

目的探讨卒中病人的病前人格及相关因素与卒中后抑郁（PSD）发生的相关性。

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These work in dialysis and help cancer patients, but today Amgen is facing an Food and Drug Administration advisory panel because a large clinical trial showed that instead of improving the prognosis of pre-dialysis kidney patients, Aranesp increased stroke.

FORBES: How The Placebo Effect Will Help Allergan Sell Botox

However, statin pre-treatment had no influence on the risk of dying, stroke, heart attack or kidney failure around the time of the operation.

FORBES: Preoperative Statins Found to Reduce AF and Length of Stay But Not Mortality