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O'Brien PE, DeWitt DE, Laurie C, Brennan L, Wentworth JM, Anderson M, O'Dea K, Dean F, Smith A, Dalton DP.O'Brien PE, et al.Obes Surg. 2016 Jan;26(1):45-53. doi: 10.1007/s11695-015-1733-4.Obes Surg. 2016.PMID: 25990379Clinical Trial.