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Kaynak O, Meyers K, Caldeira KM, Vincent KB, Winters KC, Arria AM.Kaynak O, et al. Among authors: winters kc.Addict Behav. 2013 Jan;38(1):1457-63. doi: 10.1016/j.addbeh.2012.08.003. Epub 2012 Aug 25.Addict Behav. 2013.PMID: 23017733Free PMC article.
Winters KC, Tanner-Smith EE, Bresani E, Meyers K.Winters KC, et al.Adolesc Health Med Ther. 2014 Nov 20;5:199-210. doi: 10.2147/AHMT.S48053. eCollection 2014.Adolesc Health Med Ther. 2014.PMID: 25429247Free PMC article.Review.