Koizumi, H., Yasui, C., & Ohkawara, A. (1991). Effect of 1,25-dihydroxyvitamin D3 on adenylate cyclase and protein kinase C in pig epidermis. Acta Dermato-Venereologica, 71(1), 6–10. https://doi.org/10.2340/0001555571610