Molin, L.; Thomsen K; Volden, G.; Aronsson A; Hammar, H.; Hellbe, L.; Wantzin, G.; Roupe, G. Oral Retinoids in Mycosis Fungoides and Sézary Syndrome: A Comparison of Isotretinoin and Etretinate. A Study from the Scandinavian Mycosis Fungoides Group. Acta Derm Venereol 1987, 67, 232-236.