Azmat H, Mahar Y, Qamar A, Jawaria Zeeshan, Areeba Younus, Ayesha Mehwish. Ethnic variations and risk factors associated with pneumatisation in chronic otitis media: A morphological analysis. J Pak Med Assoc [Internet]. 2026 Oct. 1 [cited 2026 Oct. 2];76(10):1664-8. Available from: https://jpma.org.pk/index.php/public_html/article/view/31130