Letona, Nimzy, Fernanda Herrera, and Adriana Toledo. “Surgical Approach to a Giant Keratoacanthoma”. Revista médica (Colegio de Médicos y Cirujanos de Guatemala) 161, no. 4 (December 11, 2022): 467–469. Accessed November 7, 2026. https://archive.revistamedicagt.org/index.php/RevMedGuatemala/article/view/543.