Relationship between RS time and the severity of chronic obstructive pulmonary disease. - Yıldız, İbrahim; Yıldız, Pınar Özmen; Sazlıdere, Hüsamettin; Gürevin, Mehmet Sait; Rencüzoğulları, İbrahim; Karabağ, Yavuz; Burak, Cengiz; Özmen, Çağlar (Cukurova Medical Journal, 2021)