Rosato, M. L., Mainini, M., Luongo, M., Mascolo, L., Mattera, S. and Schiaffino, L. (2016) “Oxygen-ozone therapy: our experience in the treatment of hard-root conflicts”, Ozone Therapy, 1(2), pp. 34–35. doi: 10.4081/ozone.2016.6271.