Eun Kim, Jeong, Seo Rye Yoo, Myeong Gil Jeong, Joo Yeon Ko, and Young Suck Ro. 2013. “Hair Zinc Levels and the Efficacy of Oral Zinc Supplementation in Patients With Atopic Dermatitis”. Acta Dermato-Venereologica 94 (5):558-62. https://doi.org/10.2340/00015555-1772.