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de Weerth A, Gocht A, Seewald S, Brand B, van Lunzen J, Seitz U, Thonke F, Fritscher-Ravens A, Soehendra N.de Weerth A, et al.Gastrointest Endosc. 2002 Apr;55(4):605-7. doi: 10.1067/mge.2002.120786.Gastrointest Endosc. 2002.PMID: 11923787No abstract available.
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