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Sex Ratio in Children and Adolescents Referred to the Gender Identity Development Service in the UK (2009–2016)

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Correspondence to Nastasja M. de Graaf.

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The authors declare there is no conflict of interest. There was no sponsor involved in this Letter. The authors disclose that there are no prior publications or submissions with any overlapping information of this kind.

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de Graaf, N.M., Giovanardi, G., Zitz, C. et al. Sex Ratio in Children and Adolescents Referred to the Gender Identity Development Service in the UK (2009–2016). Arch Sex Behav 47, 1301–1304 (2018).

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