• Thousands turned out in the cathedral of the Sicilian city of Messina to take part in the funeral service for the victims of the deadly mudslides.

    VOA: standard.2009.10.10

  • So, you didn't know at the beginning, you knew you were enrolled in the trial, they gave you a shot, you didn't know whether you were part of the real group that got the test vaccine or the placebo group that got the control; turned out that Bonnie was part of the control group.

    一开始你可能不清楚全过程,你只知道你参与了一项试验,他们给你打了一针,你不知道你是属于接种了,试验疫苗的真实试验组,还是属于被注射了安慰剂的空白对照组,结果显示,邦妮属于对照组

    耶鲁公开课 - 生物医学工程探索课程节选

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