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Levitt DG, Levitt JE, Levitt MD.Levitt DG, et al. Among authors: levitt md.Biomed Res Int. 2020 Oct 14;2020:2608318. doi: 10.1155/2020/2608318. eCollection 2020.Biomed Res Int. 2020.PMID: 33150168Free PMC article.Review.