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Ruan A, Klein A, Jhita P, Hasan-Hill N, Shafer SL, Flood PD.Ruan A, et al. Among authors: shafer sl.Anesth Analg. 2023 Apr 1;136(4):701-710. doi: 10.1213/ANE.0000000000006261. Epub 2022 Nov 7.Anesth Analg. 2023.PMID: 36342844