Riva H, Balestra B, Giannini O, Bonforte G. Treatment of digital ulcers with oxygen-ozone therapy in a patient with systemic sclerosis. Ozone Ther [Internet]. 2017 Oct. 4 [cited 2024 Nov. 22];2(2). Available from: https://www.pagepressjournals.org/ozone/article/view/7061