[1]
Kragballe, K. et al. 1989. A double-blind comparison of acitretin and etretinate in the treatment of severe psoriasis. Results of a Nordic multicentre study. Acta Dermato-Venereologica. 69, 1 (Jan. 1989), 35–40. DOI:https://doi.org/10.2340/00015555693540.