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Endoscopy 1993; 25(9): 617-626
DOI: 10.1055/s-2007-1010417
© Georg Thieme Verlag KG Stuttgart · New York

Research Studies on Chemoprevention of Esophageal Cancer at the United States National Cancer Institute

P. Greenwald1 , G. Kelloff1 , S. Kalagher2 , S. McDonald2
  • 1Division of Cancer Prevention and Control, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
  • 2Propect Associates, Rockville, Maryland, USA
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Publication History

Publication Date:
17 March 2008 (online)

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