Swart, J.; De Villiers, R.; Francois, R.; Rademan, F.; Thom, G. A Tale of Two Sit-Bones: The cyclist’s Ischial Hygroma (Perineal Nodular Induration). SA J Sports Med 2019, 31 (1), 1-4. https://doi.org/10.17159/2078-516X/2019/v31i1a5641.