Kiyohara, T., Takata, M., Itoh, H., Kawami, K., Yasuta, M., Hayakawa, K., & Kumakiri, M. (2011). HRAS-mutated Spitz Nevus on the Cheek in a Middle-aged Man. Acta Dermato-Venereologica, 92(3), 326–327. https://doi.org/10.2340/00015555-1264