“LOSING YEARS OF LIFE IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE IN AKTOBE REGION IN 2014”, RS Global - World Science, vol. 2, no. 4(8), pp. 63–64, Apr. 2016, Accessed: Mar. 18, 2026. [Online]. Available: https://rspublisher.org/index.php/ws/article/view/1142