Result: Nosocomial pneumonia of cerebrovascular accident attack rate is positive correlation to age , conscious disturbance , bulboparalysis , stay a gastric tube , incision of trachea , antacid.

结果：脑血管意外患者院内获得性肺炎发病率与年龄、意识障碍、延髓麻痹、停留胃管、气管切开、制酸剂等因素呈正相关。

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Objective To evaluate the clinical value of bi-phasic positive airway pressure (Bi-PAP) in severe asthmatic attack patients after thoracic operation.

目的探讨双相正压通气在开胸手术后突发哮喘危重状态时的疗效。

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A battalion commander Li Guangshun rate a business as a positive main attack along the roads to begin to pass forward echelon form.

一营长李光顺率一营担任正面主攻，沿公路以梯队形式展开向关口推进。

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"The tendency during the campaign has been for Bush not to attack, or, if he was forced to attack, to go back positive as quickly as possible, " one GOP insider told me.

CNN: Stuart Rothenberg: Can Bush win by 'going positive?'

In a positive sign, outside competitors are able to attack them for their record.

ECONOMIST: Somalia��s government

If your cancer is HER2 positive, you may also be given a targeted therapy to attack the protein that's overproduced in these cancers.

CNN: Recurrent breast cancer