STABİL DÖNEM KOAH’LI HASTALARDA SERUM NEOPTERİN VE IL–8 DÜZEYLERİ İLE HAVA YOLU OBSTRÜKSİYONU ARASINDAKİ İLİŞKİ
THE RELATIONSHIP BETWEEN SERUM NEOPTERIN AND IL–8 LEVELS AND AIRWAY OBSTRUCTION IN PATIENTS WITH STABLE CHRONIC OBSTRUCTIVE PULMONARY DISEASE