Pavlidou, D, A Vourekas, A Monastirli, D Kalavrizioti, D Tsambaos, and D. Drainas. 2006. “Isolation of Ribonuclease P Activity from Human Epidermis and Its Regulation by Retinoids in Vitro”. Acta Dermato-Venereologica 86 (2):114-18. https://doi.org/10.2340/00015555-0019.