Swart, J, R De Villiers, R Francois, F Rademan, and G Thom. “A Tale of Two Sit-Bones: The cyclist’s Ischial Hygroma (Perineal Nodular Induration)”. South African Journal of Sports Medicine 31, no. 1 (February 21, 2019): 1–4. Accessed July 22, 2024. https://journals.assaf.org.za/index.php/sajsm/article/view/5641.