1.
Ricevuti G, Franzini M, Valdenassi L. Oxygen-ozone immunoceutical therapy in COVID-19 outbreak: facts and figures. Ozone Ther [Internet]. 2020Apr.10 [cited 2021Feb.26];5(1). Available from: https://www.pagepressjournals.org/index.php/ozone/article/view/9014