Physicians' Health Study II: Vitamin E, Ascorbic Acid, Beta Carotene, and/or Multivitamins in Preventing Cancer and Cardiovascular Disease in Older Healthy Male Doctors
This study is ongoing, but not recruiting participants.
Study NCT00270647
Information provided by National Cancer Institute (NCI)
First Received: December 27, 2005
Last Updated: February 6, 2009
History of Changes
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