He is among scholars who think North Korea did not release the water intentionally.

VOA: standard.2009.09.07

So, he intentionally inoculated his wife and two children with fluid that he got from one of his sick cows.

所以他给自己的妻子和两个孩子接种了,取自病牛的体液

耶鲁公开课 - 生物医学工程探索课程节选

So, he intentionally inoculated his wife and two children with fluid that he got from one of his sick cows.

所以他给自己的妻子和两个孩子接种了,取自病牛的体液

耶鲁公开课 - 生物医学工程探索课程节选