Salik, Muhammad, Muhammad Saad, and William S Burkes. “Agreement Between Apnea-Hypopnea Index and Hypoxic Burden for Severity Classification of Obstructive Sleep Apnea”. Monaldi Archives for Chest Disease (August 26, 2026). Accessed November 4, 2026. https://www.monaldi-archives.org/macd/article/view/4016.