Mustakallio, K. and Brandt, H. 1984. Antipsoriatic activity of 10-acyl analogues of dithranol (anthralin). I. Phase I clinical trial of 10-propionyl dithranol and 10-butyryl dithranol (butantrone). Acta Dermato-Venereologica. 64, 1 (Jan. 1984), 63–66. DOI:https://doi.org/10.2340/00015555646366.