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. Pakistan Journal of Chest Medicine, [S. l.], v. 29, n. 1, p. 36–41, 2023. Disponível em: https://www.pjcm.net/index.php/pjcm/article/view/773. Acesso em: 17 apr. 2026.