Acar, Mustafa, Özer Erdem Gür, Mustafa Kaymakçı, Onur Çiftçi, Güler Buğdaycı, and Cafer Özdem. 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.