Granlund, H, et al. “Comparison of Cyclosporine and Topical Betamethasone-17,21-Dipropionate in the Treatment of Severe Chronic Hand Eczema”. Acta Dermato-Venereologica, vol. 76, no. 5, Sept. 1996, pp. 371-6, doi:10.2340/0001555576371376.