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Homs MY, Steyerberg EW, Kuipers EJ, van der Gaast A, Haringsma J, van Blankenstein M, Siersema PD.Homs MY, et al. Among authors: siersema pd.Endoscopy. 2004 Oct;36(10):880-6. doi: 10.1055/s-2004-825855.Endoscopy. 2004.PMID: 15452784