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Costamagna G, Shah SK, Tringali A.Costamagna G, et al.Gastrointest Endosc Clin N Am. 2003 Oct;13(4):635-48, ix. doi: 10.1016/s1052-5157(03)00103-x.Gastrointest Endosc Clin N Am. 2003.PMID: 14986791Review.
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Tringali A, Mutignani M, Costamagna G.Tringali A, et al. Among authors: costamagna g.Gastrointest Endosc. 2001 Jan;53(1):88. doi: 10.1067/mge.2001.110753.Gastrointest Endosc. 2001.PMID: 11154497No abstract available.