Holmes, Julian. “Results of the Combined Use of Ozone and PRP With a Novel Skin Rejuvenation System Called the OxyPin [abstract]”. Journal of Ozone Therapy 3, no. 4 (December 19, 2019): 27. Accessed November 10, 2024. https://turia.uv.es/index.php/JO3T/article/view/15508.