Tauber, M. et al. 2014. Unresectable perineal cuniculatum carcinoma: partial remission using systemic isotretinoin and interferon-α2a therapy. Acta Dermato-Venereologica. 94, 6 (Apr. 2014), 721–722. DOI:https://doi.org/10.2340/00015555-1852.