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Bleier JI, Krupnick AS, Kreisel D, Song HK, Rosato EF, Williams NN.Bleier JI, et al. Among authors: kreisel d.Surg Endosc. 2000 Oct;14(10):902-7. doi: 10.1007/s004640000298.Surg Endosc. 2000.PMID: 11080400Clinical Trial.