Araújo, Elsa Carina Alves, Manuel Barbosa, Raquel Costa, Bárbara Sousa, and Vítor Costa. “A First Sign Not to Be Missed: Cutaneous Metastasis from Breast Cancer”. European Journal of Case Reports in Internal Medicine 7, no. 1 (January 8, 2020). Accessed May 2, 2024. https://www.ejcrim.com/index.php/EJCRIM/article/view/1356.