[1]
Holst, R. and Mobacken, H. 1974. Erythema dyschromicum perstans (ashy dermatosis). Report of two cases from Scandinavia. Acta Dermato-Venereologica. 54, 1 (Jan. 1974), 69–72. DOI:https://doi.org/10.2340/00015555546972.