Can Glasgow score predict mortality in patients with chronic obstructive pulmonary disease with acute exacerbation? oleh Filiz Guldaval, Ceyda Anar, Mine Gayaf, Melike Y Yavuz, Gülr Polat, Aysu Ayranci, Gülistan Karadeniz, Fatma Ucsular, Melih Büyükşirin