Forsbeck, M, et al. “Patch Testing, Tuberculin Testing and Sensitization With Dinitrochlorobenzene and Nitrosodimethylanilini of Patients With Atopic Dermatitis”. Acta Dermato-Venereologica, vol. 56, no. 2, Mar. 1976, pp. 135-8, doi:10.2340/0001555556135138.