Purpose: To study the effective methods of esophageal benign stricture with intervention therapy, and analyzed the cause of esophageal restenosis.

目的：探讨食管良性狭窄有效的介入治疗方法，并分析发生食管再狭窄的主要原因。

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"The hotline has given us an opportunity to take advantage of cell phone technology, to reach people outside of our intervention zone with family planning messaging.

VOA: special.2010.05.03

Intervention studies are when you're actually doing something with people.

进行干预性研究时需要与实验对象有接触

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Activists Friday called for United Nations intervention, and said Secretary-General Ban Ki-moon should go to Burma to talk with the military leaders.

VOA: standard.2009.05.15

Guinea beat Zimbabwe and Burkina Faso before the 1-1 draw with Malawi that triggered government intervention with Sangare saying "Guinea was a sovereign state that would not be dictated to by Fifa".

BBC: Fifa confirm Guinea ban

Needless to say, not all skiing near major cities has to end with police intervention.

BBC: Car tows skier through Detroit suburb as news camera rolls

Typically with an intervention of any kind, and this can include a government regulation, both kinds of errors should be minimized.

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