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    Roberts LF, Brett MA, Johnson TW, Wassersug RJ. A passion for castration: Characterizing men who are fascinated with castration, but have not been castrated. J Sex Med 2008;5:16691680.
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    Wassersug RJ. On the invisibility of the emasculated. Anthropol Today 2010;26:13.
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    Wibowo E, Wassersug R, Warkentin K, Walker L, Robinson J, Brotto L, Johnson TW. Impact of androgen deprivation therapy on sexual function: A response. Asian J Androl 2012;14:793794.
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    Johnson TW, Wassersug RJ, Roberts LF, Sutherland MB, First MB. Desire for castration is not a body integrity identity disorder (BIID): A response. J Sex Med 2010;7:852855.
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    Swindell M, Lawrence J. Body integrity identity disorder: An overview. In: Stirn A, Thiel A, Oddo S, eds. Body integrity identity disorder: Psychological, neurobiological, ethical and legal aspects. Lengerich, Germany: Pabst Science Publisher; 2009:1119.
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    Aucoin MW, Wassersug RJ. The sexuality and social performance of androgen-deprived (castrated) men throughout history: Implications for modern day cancer patients. Soc Sci Med 2006;63:31623173.
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    Johnson TW, Wassersug RJ. Gender identity disorder outside the binary: When gender identity disorder—Not otherwise specified is not good enough. Arch Sex Behav 2010;39:597598.
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    Wassersug RJ, Johnson TW. Modern day eunuchs: Motivations for and consequences of contemporary castration. Perspect Biol Med 2007;50:544556.
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    Vale K, Johnson TW, Jansen MS, Lawson BK, Lieberman T, Willette KH, Wassersug RJ. The development of standards of care for individuals with a male-to-eunuch gender identity disorder. Int J Transgenderism 2010;12:4051.
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    Vale K, Siemens I, Johnson TW, Wassersug RJ. Religiosity, childhood abuse, and other risk factors associated with voluntary genital ablation. Can J Behav Sci 2013;45:230237.
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    Treleaven MMM, Jackowich RA, Roberts L, Wassersug RJ, Johnson T. Castration and personality: Correlation of androgen deprivation and estrogen supplementation with the big five factor personality traits of adult males. J Res Pers 2013;47:376379.
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    Wassersug RJ, Zelenietz SA, Squire GF. New age eunuchs: Motivation and rationale for voluntary castration. Arch Sex Behav 2004;33:433442.
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    Bergelson V. The right to be hurt: Testing the boundaries of consent. George Washington Law Rev 2007;75:165236.
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    Bayne T, Levy N. Amputees by choice: Body integrity identity disorder and the ethics of amputation. J Appl Philos 2005;22:7586.
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    Ryan CJ. Out on a limb: The ethical management of body integrity identity disorder. Neuroethics 2009;2:2133.
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    Johnson TW, Irwig MS. The hidden world of self-castration and testicular self-injury. Nat Rev Urol 2014;11:297300.