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Firth CL, Maher JE, Dilley JA, Darnell A, Lovrich NP.Firth CL, et al.Subst Use Misuse. 2019;54(9):1582-1587. doi: 10.1080/10826084.2019.1593007. Epub 2019 May 16.Subst Use Misuse. 2019.PMID: 31096823Free PMC article.