Evaluation of Left Ventricle Performance in Patients with Ischemic Heart Disease Using Single Photon Emission Computed Tomography (SPECT) in Comparison with Echocardiography. Iraqi Journal of Science [Internet]. 2021 Nov. 30 [cited 2024 May 3];62(11):3871-6. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3375