H. Gao, X. Du, Y. Huo, H. Pan, Y. Xu, and Y. Hou, “Exploring the Causal Relationship Between Sex Hormones and Depression by Means of Two-Sample Mendelian Randomization Analysis”, Actas Esp Psiquiatr, vol. 54, no. 4, pp. 1245–1256, Aug. 2026.