CORRELATION BETWEEN CARDIAC ARRHYTHMIA AND THE LEVEL OF HYPOXEMIA ON THE SEVERITY OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE. Euro. Jour. of Inte. Res. and Dev. [Internet]. 2023 Jan. 9 [cited 2025 Jul. 16];11:13-6. Available from: https://ejird.journalspark.org/index.php/ejird/article/view/296