Thiele, Renate. “The Remedy Ozone for Prevention and As Effective Method for Treatment of sars.Cov-2-Infection”. Journal of Ozone Therapy 6, no. 7 (December 30, 2022): 21. Accessed November 21, 2024. https://turia.uv.es/index.php/JO3T/article/view/25988.