Thomsen, K, et al. “Retinoids Plus PUVA (RePUVA) and PUVA in Mycosis Fungoides, Plaque Stage. A Report from the Scandinavian Mycosis Fungoides Group”. Acta Dermato-Venereologica, vol. 69, no. 6, Nov. 1989, pp. 536-8, doi:10.2340/0001555569536538.