Tosti, A., Fanti, P. A., Piraccini, B. M., Bardazzi, F., & Misciali, C. (1995). Epidermolytic hyperkeratosis of the nails in keratosis palmoplantaris nummularis. Acta Dermato-Venereologica, 75(5), 405–406. https://doi.org/10.2340/0001555575405406