Serra, A., L. Maiolino, S. Cocuzza, M. Di Luca, G. Campione, L. Licciardello, and P. Di Mauro. “Assessment of Oxidative Stress Markers and Hearing Thresholds in Patients With Obstructive Sleep Apnea-Hypopnoea Treated With Cysteine and Superoxide Dismutase Therapy.”. Acta Bio Medica Atenei Parmensis, Vol. 87, no. 3, Jan. 2017, pp. 253-8, http://www.mattioli1885journals.com/index.php/actabiomedica/article/view/5680.