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Hussain MA, Al-Omran M, Mamdani M, Eisenberg N, Premji A, Saldanha L, Wang X, Verma S, Lindsay TF.Hussain MA, et al.JAMA Surg. 2016 Aug 1;151(8):742-50. doi: 10.1001/jamasurg.2016.0415.JAMA Surg. 2016.PMID: 27050566