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Address reprint requests to:
James C. Fleet, Ph.D.
Department of Foods and Nutrition
Purdue University
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1264 Stone Hall, Room G1A
West Lafayette, IN 47907, USA
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are differently modified by 9-cis-retinoic acid. Cancer Res Received in original form June 22, 2000; in revised form October
6:623–632. 29, 2000; accepted December 6, 2000.
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