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Objective The optimal duration and dose of aspirin and non-aspirin non-steroidal anti-inflammatory drugs (NSAIDs) in the potential prevention of colorectal cancer (CRC) have not been established. We examined this issue in the Danish Diet, Cancer, and Health Study. Methods Self-reported NSAID use at entry (January 1995–May 1997) was updated through June 2006, using a nationwide prescription database...
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