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Schacht RL, George WH, Heiman JR, Davis KC, Norris J, Stoner SA, Kajumulo KF.Schacht RL, et al. Among authors: norris j.Arch Sex Behav. 2007 Oct;36(5):655-65. doi: 10.1007/s10508-006-9147-y. Epub 2007 Mar 16.Arch Sex Behav. 2007.PMID: 17364230Clinical Trial.