Clinical significance of HIF-1α, ET-1, and NO as biomarkers in chronic obstructive pulmonary disease patients with pulmonary hypertension. Biomol Biomed [Internet]. 2025 Apr. 26 [cited 2025 May 2];25(6):1389–1395. Available from: https://www.bjbms.org/ojs/index.php/bjbms/article/view/11078