Igarashi, R., Morohashi, M., Takeuchi, S., & Sato, Y. (1981). Immunofluorescence studies on complement components in the hair follicles of normal scalp and of scalp affected by alopecia areata. Acta Dermato-Venereologica, 61(2), 131–135. https://doi.org/10.2340/0001555561131135