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Risser JM, Timpson SC, McCurdy SA, Ross MW, Williams ML.Risser JM, et al. Among authors: timpson sc.Am J Drug Alcohol Abuse. 2006;32(4):645-53. doi: 10.1080/00952990600919062.Am J Drug Alcohol Abuse. 2006.PMID: 17127553
Timpson SC, Ross MW, Williams ML, Atkinson J.Timpson SC, et al.Am J Drug Alcohol Abuse. 2007;33(1):63-9. doi: 10.1080/00952990601082670.Am J Drug Alcohol Abuse. 2007.PMID: 17366246
Pallonen UE, Timpson SC, Williams ML, Ross MW.Pallonen UE, et al. Among authors: timpson sc.Arch Sex Behav. 2009 Feb;38(1):149-58. doi: 10.1007/s10508-008-9391-4. Epub 2008 Jun 24.Arch Sex Behav. 2009.PMID: 18574684Free PMC article.