Matzer, Franziska, Josef Wilhelm Egger, and Daisy Kopera. 2011. “Psychosocial Stress and Coping in Alopecia Areata: A Questionnaire Survey and Qualitative Study Among 45 Patients”. Acta Dermato-Venereologica 91 (3):318-27. https://doi.org/10.2340/00015555-1031.