Lagerholm, B, and A Frithz. “Submicroscopic Aspects of the Keratinization, Dyskeratinization and Acantholysis of Fogo Selvagem”. Acta Dermato-Venereologica, vol. 58, no. 1, Jan. 1978, pp. 37-49, doi:10.2340/00015555583749.