Mepham, N., Bouman, W. P., Arcelus, J., Hayter, M., & Wylie, K. R. (2014). People with gender dysphoria who self-prescribe cross-sex hormones: Prevalence, sources, and side effects knowledge. The Journal of Sexual Medicine, 11(12), 2995-3001. https://doi.org/10.1111/jsm.12691