Guizzardi, Stefano, Jacopo Uggeri, Paolo Govoni, and Rita Gatti. 2011. “Hyaluronic Acid Enhance Polynucleotides Effect on Cultured Dermal Fibroblasts”. Italian Journal of Anatomy and Embryology 116 (2):90. https://oajournals.fupress.net/index.php/ijae/article/view/4664.