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2. Evidence for a change in the sex ratio of children referred for gender dysphoria: data from the Gender Identity Development Service in London (2000–2017);de Graaf;J Sex Med,2018
3. Reflections on emerging trends in clinical work with gender-diverse children and adolescents;de Graaf;Clin Child Psychol Psychiatr,2019
4. Age of individuals who identify as transgender in the United States;Herman,2017