1. Baba, T., Endo, T., Ikeda, K., Shimizu, A., Honnma, H., Ikeda, H., … Saito, T. (2011). Distinctive features of female-to-male transsexualism and prevalence of gender identity disorder in Japan. Journal of Sexual Medicine, 8, 1686–1693.
2. Bakker, A., van Kesteren, P. J., Gooren, L. J., & Bezemer, P. D. (1993). The prevalence of transsexualism in The Netherlands. Acta Psychiatrica Scandinavica, 87, 237–238.
3. Bockting, W., Benner, A., & Coleman, E. (2009). Gay and bisexual identity development among female-to-male transsexuals in North America: Emergence of a transgender sexuality. Archives of Sexual Behavior, 38, 688–701.
4. Buysse, A., Caen, M., Dewaele, A., Enzlin, P., Lievens, J., T’Sjoen, G., … Vermeersch, H. (2013). SEXPERT. Seksuele gezondheid in Vlaanderen (Sexual Health in Flanders). Ghent: Academia Press.
5. Coleman, E., Bockting, W., Botzer, M., Cohen-Kettenis, P. T., De Cuypere, G., Feldman, J., … Zucker, K. (2011). Standards of Care for the Health of Transsexual, Transgender and Gender Nonconforming People. 7th edition. International Journal of Transgenderism, 13, 165–232.