Teraki, Y, et al. “Cytokines in Alopecia Areata: Contrasting Cytokine Profiles in Localized Form and Extensive Form (alopecia universalis)”. Acta Dermato-Venereologica, vol. 76, no. 6, Nov. 1996, pp. 421-3, doi:10.2340/0001555576421423.