Acar, M., Erdem Gür, Özer, Kaymakçı, M., Çiftçi, O., Buğdaycı, G., & Özdem, C. (2012). The role of serum matrix metalloproteinase-9 levels in the etiopathogenesis of nasal polyps. ENT Updates, 2(2). https://doi.org/10.2399/jmu.2012002002