https://digital.katalog.queersearch.org/s/katalog/item/63858 et al., “Pulsatile Luteinizing Hormone Release and Ovarian Steroid Levels in Female-To-Male Transsexuals Compared to Heterosexual Women”, QueerSearch, accessed 14. März 2025, https://digital.katalog.queersearch.org/s/katalog/item/57294