Abdelaty, S.M., Hussaini, A.A., Fahad, R.A., dossari, B.A., Hawsawi, A.A. and Amri, R.A. 2017. The Role of Radionuclides and Physical Parameters in SPECT and PET Cardiac Imaging. The International Journal of Science & Technoledge. 5, 6 (Jun. 2017).