Questions and answers about beta carotene chemoprevention trials.

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Bibliographic Details
Imprint:[Bethesda, Md.] : National Cancer Institute, [1997]
Description:5 pages : digital, PDF file.
Series:Fact sheet ; 4.13
Fact sheet (National Cancer Institute (U.S.)) ; 4.13.
Subject:Clinical trials.
Cancer -- Treatment.
Format: E-Resource U.S. Federal Government Document Book
URL for this record:
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Varying Form of Title:Beta carotene chemoprevention trials
Other authors / contributors:National Cancer Institute (U.S.)
Notes:Title from title screen (viewed on Aug. 8, 2008).
Mode of access: Internet from the NCI web site. Address as of 8/08/2008:; current access available via PURL.
GPO item no.:0507-G-37 (online) classification:HE 20.3182:B 46

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