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Study on cancer rates in individuals who received Alpha-Tocopherol or Beta Carotene supplements compared to those who did not. Analysis provided for various cancer types. Data from Beta Carotene Cancer Prevention Study Group. Source: N.Engl.J.Med.1994;330:1029-1035.
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Number and Incidence (per 10,000 Person-Years) of Cancers, According to Site, among Participants Who Received Alpha-Tocopherol Supplements and Those Who Did Not (Upper Panel) and among Participants Who Received Beta Carotene Supplements and Those Who Did Not (Lower Panel) Beta Carotene Cancer Prevention Study Group The Alpha-Tocopherol, N Engl J Med 1994;330:1029-1035