https://www.sciencedaily.com/releases/2018/05/180524112351.htm
https://www.lgbtqnation.com/2018/05/transgender-kids-brains-resemble-gender-identity-not-biological-sex/
https://health.clevelandclinic.org/research-on-the-transgender-brain-what-you-should-know/
https://www.nature.com/articles/d41586-019-01237-z
https://www.publicmedievalist.com/transgender-middle-ages/
https://www.mayoclinic.org/tests-procedures/mri/about/pac-20384768