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Rabenstein T, May A, Gossner L, Manner H, Pech O, Günter E, Huijmans J, Vieth M, Stolte M, Ell C.Rabenstein T, et al. Among authors: ell c.Endoscopy. 2008 Nov;40(11):899-904. doi: 10.1055/s-2008-1077725. Epub 2008 Nov 13.Endoscopy. 2008.PMID: 19009482
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Pech O, Gossner L, May A, Ell C.Pech O, et al. Among authors: ell c.Best Pract Res Clin Gastroenterol. 2001 Apr;15(2):267-84. doi: 10.1053/bega.2001.0173.Best Pract Res Clin Gastroenterol. 2001.PMID: 11355915Review.
Pech O, May A, Gossner L, Vieth M, Trump F, Stolte M, Ell C.Pech O, et al. Among authors: ell c.Gastrointest Endosc. 2001 Nov;54(5):656-8. doi: 10.1067/mge.2001.118717.Gastrointest Endosc. 2001.PMID: 11677494No abstract available.