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Shea CM, Gertner AK, Green SL.Shea CM, et al. Among authors: gertner ak.Subst Abus. 2021;42(1):54-64. doi: 10.1080/08897077.2019.1694617. Epub 2019 Dec 6.Subst Abus. 2021.PMID: 31809679Free PMC article.