Cardona Maya, Walter D., and Stefan S. du Plessis. “Human Spaceflight: To Infertility and Beyond”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 8, no. 12 (November 26, 2019): 5068–5069. Accessed February 2, 2026. https://www.ijrcog.org/index.php/ijrcog/article/view/7444.