Evaluating the Performance of Unenhanced Computed Tomography in the Diagnosis of Pulmonary Embolism - Ehsanbakhsh, Alireza; Hatami, Farbod; Valizadeh, Niloufar; Khorashadizadeh, Nasrin; Norouzirad, Farshad (The Research in Heart Yield and Translational Medicine (RHYTHM), 2021)