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Lui CK, Sterling SA, Chi FW, Lu Y, Campbell CI.Lui CK, et al. Among authors: campbell ci.Addict Behav. 2017 May;68:45-51. doi: 10.1016/j.addbeh.2017.01.010. Epub 2017 Jan 6.Addict Behav. 2017.PMID: 28088743Free PMC article.