“FREQUENCY OF THE SYMPTOM OF EXCESSIVE DAYTIME SLEEPNESS IN COPD PATIENTS ASSOCIATED WITH OBSTRUCTIVE SLEEP APNEA-HYPOPNEA SYNDROME”, Wor.Bul.Pub.Helt., vol. 18, pp. 18–22, Jan. 2023, Accessed: Aug. 27, 2026. Available: https://scholarexpress.net/index.php/wbph/article/view/1968