1. Lehmann B, Querings K, Reichrath J. Vitamin D and skin: New aspects for dermatology. Exp Dermatol 2004;13(Suppl 4):11-5.
2. Segaert S, Bouillon R. Epidermal keratinocytes as source and target cells for vitamin D. In: Norman AW, Bouillon R, Thomasset M, editors. Vitamin D Endocrine System: Structural, Biological, genetic and Clinical Aspects. Proceedings of the Eleventh Workshop on Vitamin D, Nashville, TN, USA: University of California, Riverside: Printing and Reprographics; 2000. p. 583-90.