Diepgen, T. L., Pfarr, E., & Zimmermann, T. (2012). Efficacy and Tolerability of Alitretinoin for Chronic Hand Eczema Under Daily Practice Conditions: Results of the TOCCATA Open Study Comprising 680 Patients. Acta Dermato-Venereologica, 92(3), 251–255. https://doi.org/10.2340/00015555-1256