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Vakil N, Smith W, Bourgeois K, Everbach EC, Knyrim K.Vakil N, et al. Among authors: knyrim k.Gastrointest Endosc. 1994 Mar-Apr;40(2 Pt 1):178-83. doi: 10.1016/s0016-5107(94)70163-6.Gastrointest Endosc. 1994.PMID: 8013818
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Vakil N, Knyrim K.Vakil N, et al. Among authors: knyrim k.Gastrointest Endosc Clin N Am. 1994 Jul;4(3):463-73.Gastrointest Endosc Clin N Am. 1994.PMID: 8069472
Vakil N, Knyrim K, Sievert W.Vakil N, et al. Among authors: knyrim k.Endoscopy. 1989 Jan;21(1):22-6. doi: 10.1055/s-2007-1012888.Endoscopy. 1989.PMID: 2537188Review.No abstract available.
Keymling M, Wagner HJ, Vakil N, Knyrim K.Keymling M, et al. Among authors: knyrim k.Gastrointest Endosc. 1993 May-Jun;39(3):439-41. doi: 10.1016/s0016-5107(93)70125-x.Gastrointest Endosc. 1993.PMID: 7685723Free article.No abstract available.