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El-Hakim A, Cai Y, Marcovich R, Pinto P, Lee BR.El-Hakim A, et al. Among authors: pinto p.Surg Endosc. 2004 Jun;18(6):961-3. doi: 10.1007/s00464-003-8546-6. Epub 2004 Apr 27.Surg Endosc. 2004.PMID: 15108116