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Type

Journal article

Journal

Lancet (London, England)

Publication Date

10/2004

Volume

364

Pages

1193 - 1194

Addresses

Centre of Epidemiology and Biostatistics, University of Leeds, Leeds, UK. d.forman@leeds.ac.uk

Keywords

Humans, Gastrointestinal Neoplasms, Vitamins, Anticarcinogenic Agents, Antioxidants, Treatment Outcome, Research Design, Meta-Analysis as Topic