The first study, one of the largest controlled trials of cancer prevention yet conducted, involved 35500 middle-aged men who took vitamin E, selenium or placebo pills for more than five years.

  • 第一项研究是迄今进行过的规模最大的癌症预防对照试验之一,有3.55万名中年男性参加,服用维生素e、硒或安慰剂的时间超过5年。

  • 互联网摘选 2025-01-20 12:28:27

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