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In June 1962, after gruelling medical tests, Nasa announced its "New Nine". These would be the men to deliver on President Kennedy's pledge to put American boots on the Moon.
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Experts say more genetic tests will need to be offered to high-risk men in future, in order to work out how many are affected.，推荐阅读爱思助手下载最新版本获取更多信息
Владислав Уткин