Vahlquist, Anders. “Pleomorphic Ichthyosis: Proposed Name for a Heterogeneous Group of Congenital Ichthyoses With Phenotypic Shifting and Mild Residual Scaling”. Acta Dermato-Venereologica, vol. 90, no. 5, Aug. 2010, pp. 454-60, doi:10.2340/00015555-0937.