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