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Sanaullah Tareen, Yasin M, Aria Masoom, Zafar Iqbal, Amjad Mahboob, Samrina Sadaf. Influenza Vaccination Rate, Awareness & Risk of Acute Exacerbation of Chronic Obstructive Pulmonary Disease (COPD): A Tertiary Care Cross-Sectional Analysis. Pak J Chest Med [Internet]. 2023Mar.2 [cited 2026Apr.17];29(1):36-41. Available from: https://www.pjcm.net/index.php/pjcm/article/view/773