Primasari, P. I., S. Widyantari, and D. Murtiastutik. “Idiopathic Scrotal Calcinosis: Rare Case”. Journal of Pakistan Association of Dermatologists, vol. 29, no. 4, Oct. 2019, pp. 418-24, https://www.jpad.com.pk/index.php/jpad/article/view/1363.