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Tompkins DA, Huhn AS, Johnson PS, Smith MT, Strain EC, Edwards RR, Johnson MW.Tompkins DA, et al. Among authors: edwards rr.Addiction. 2018 Jan;113(1):67-79. doi: 10.1111/add.13922. Epub 2017 Aug 10.Addiction. 2018.PMID: 28645137Free PMC article.
Edwards RR, Smith MT, Kudel I, Haythornthwaite J.Edwards RR, et al.Pain. 2006 Dec 15;126(1-3):272-9. doi: 10.1016/j.pain.2006.07.004. Epub 2006 Aug 22.Pain. 2006.PMID: 16926068