Usman, F., R. B. Zainon, H. Mohammed, K. J. Nizam, M. N. Isa, and B. W. Gbolahan. “Cad Spect/Ct in Managing Liver Tumours and Other Related Abnormalities”. The International Journal of Science & Technoledge, vol. 4, no. 7, July 2016, http://internationaljournalcorner.com/index.php/theijst/article/view/123924.