Vargas-Rubio, Víctor Alonso. “Gingival Hyperpigmentation in Addison’s Disease”. Revista de la Sociedad Peruana de Medicina Interna 35, no. 1 (March 7, 2022): 50. Accessed May 20, 2024. https://www.revistamedicinainterna.net/index.php/spmi/article/view/659.