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Tompkins DA, Huhn AS, Johnson PS, Smith MT, Strain EC, Edwards RR, Johnson MW.Tompkins DA, et al. Among authors: huhn as.Addiction. 2018 Jan;113(1):67-79. doi: 10.1111/add.13922. Epub 2017 Aug 10.Addiction. 2018.PMID: 28645137Free PMC article.