1.
George J, V. NA, Nair TB, . M. Prevalence of pulmonary arterial hypertension in severe chronic obstructive pulmonary disease patients attending tertiary care centre Ernakulam. Int J Basic Clin Pharmacol [Internet]. 2022 Feb. 23 [cited 2025 Nov. 13];11(2):161-6. Available from: https://www.ijbcp.com/index.php/ijbcp/article/view/4957