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van der Schoor SR, Reeds PJ, Stellaard F, Wattimena JD, Sauer PJ, Büller HA, van Goudoever JB.van der Schoor SR, et al. Among authors: van goudoever jb.Gut. 2004 Jan;53(1):38-43. doi: 10.1136/gut.53.1.38.Gut. 2004.PMID: 14684574Free PMC article.