1. Myer W, Bockting W, Cohen-Kettenis P, et al. Harry Benjamin International Gender Dysphoria Association's standards of care for gender identity disorders, 2001, version 6. Available at: http://www.wpath.org/Documents2/socv6.pdf. Accessed Jan. 21, 2013.
2. Health care utilization, barriers to care, and hormone usage among male-to-female transgender persons in New York City;Sanchez;Am J Public Health,2009
3. The DSM diagnostic criteria for gender identity disorder in adolescents and adults;Cohen-Kettenis;Arch Sex Behav,2010
4. Gender identity disorder: general overview and surgical treatment for vaginoplasty in male-to-female transsexuals;Selvaggi;Plast Reconstr Surg,2005
5. American Psychiatric Association. Diagnostic and statistical manual of mental disorders, 3rd ed. Washington, DC: 1980.