Hallau, J. et al. 2015. A Promoter Polymorphism of the Vitamin D Metabolism Gene Cyp24a1 is Associated with Severe Atopic Dermatitis in Adults. Acta Dermato-Venereologica. 96, 2 (Sep. 2015), 169–172. DOI:https://doi.org/10.2340/00015555-2226.