Rodriguez-Baisi, Katinna E., et al. “An Unusual Case of Deep Localized Scleroderma in a Patient With Chronic Kidney Disease”. Puerto Rico Health Sciences Journal, vol. 41, no. 1, Mar. 2022, pp. 45-48, https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/2466.