2021 Reply to Bexultan Kazybay and Yingqiu Xie's Letter to the Editor re: Herjan J.T. Coelingh Bennink, Jean-Michel Foidart, Frans M.J. Debruyne. Treatment of Serious COVID-19 with Testosterone Suppression and High-dose Estrogen Therapy. Eur Urol. In press. https://doi.org/10.1016/j.eururo.2021.06.024. European urology ·doi:10.1016/j.eururo.2021.08.003