Lima, Joana, Marta Sousa, and Pedro Andrade. “Postirradiation Multiple Minute Digitate Porokeratosis: Case Report”. Journal of the Portuguese Society of Dermatology and Venereology 75, no. 4 (January 26, 2018): 425-428. Accessed January 22, 2022. https://revista.spdv.com.pt/index.php/spdv/article/view/798.