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You YN, Chua HK, Nelson H, Hassan I, Barnes SA, Harrington J.You YN, et al. Among authors: hassan i.Dis Colon Rectum. 2008 Jul;51(7):1036-43. doi: 10.1007/s10350-008-9325-1. Epub 2008 May 10.Dis Colon Rectum. 2008.PMID: 18470560