“INCREASE IN THE INTENSITY OF CLINICAL SYMPTOMS AND VENTILATORY DISORDERS IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE DEPENDING ON THE SEVERITY OF THE DISEASE”, ICMSEP, pp. 166–170, Feb. 2025, Accessed: Apr. 20, 2025. [Online]. Available: https://econfseries.com/index.php/7/article/view/901