Miroux Catarino, A., Catorze, M. G. and Viana, I. (2018) “Subungual Keratoacanthoma: A Rare Variant of Keratoacanthoma”, Journal of the Portuguese Society of Dermatology and Venereology, 76(4), pp. 425-428. doi: 10.29021/spdv.76.4.922.