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Semple SJ, Grant I, Patterson TL.Semple SJ, et al. Among authors: patterson tl.Women Health. 2004;40(3):35-50. doi: 10.1300/j013v40n03_03.Women Health. 2004.PMID: 15829444
Semple SJ, Grant I, Patterson TL.Semple SJ, et al. Among authors: patterson tl.Subst Use Misuse. 2005;40(12):1797-810. doi: 10.1080/10826080500260990.Subst Use Misuse. 2005.PMID: 16419557