George J, Niranjan AV, Nair TB, Minhaj. Prevalence of pulmonary arterialhypertension in severe chronic obstructivepulmonary disease patients attending tertiary carecentre Ernakulam. Int J Basic Clin Pharmacol 2022;11:161-6.

George J, Niranjan AV, Nair TB, Minhaj. Prevalence of pulmonary arterialhypertension in severe chronic obstructivepulmonary disease patients attending tertiary carecentre Ernakulam. Int J Basic Clin Pharmacol 2022;11:161-6.