Gönül, M., Cakmak, S., Kiliç, A., Artantas, S., Gül, U., & Heper, A. (2006). A case of multiple keratoacanthomas associated with keratoacanthoma centrifugum marginatum. Acta Dermato-Venereologica, 86(2), 169–170. https://doi.org/10.2340/00015555-0023