H. Koguchi, K. Arita, N. Yamane, S. Shinkuma, and H. Shimizu, “Erythema Annulare Centrifugum-like Neutrophilic Dermatosis: Effects of Potassium Iodide”, Acta Derm Venereol, vol. 92, no. 3, pp. 333–334, Jan. 2012.