Correlation of alveolar–arterial gradient with computed tomography pulmonary artery obstruction index in acute pulmonary embolism Journal title: Cumhuriyet Medical Journal Authors: Onur Karakayalı, Serkan Yılmaz, İlyas Ertok, Gülhan Kurtoğlu Çelik, Gül Pamukcu, Yavuz Yiğit, Murat... Subject(s):