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Shcherbina A, Longacre M.Shcherbina A, et al. Among authors: longacre m.PM R. 2017 Nov;9(11):1144-1156. doi: 10.1016/j.pmrj.2017.04.007. Epub 2017 Apr 28.PM R. 2017.PMID: 28461227Review.