1. 1. Suttons D. Textbook of Radiology And Imaging. 7th ed. vol 1. Elsevier Churchill Livingstone; 2003. p 737.
2. 2. Rumack CM, Wilson SR, Charboneau JW, et al. Diagnostic Ultrasound. 4th ed. vol 1. Elsevier Mosby; 2011. p 110.
3. 3. Hafeez S, Alam HS, Sajjad Z, et al. Triphasic computed tomography (CT) scan in focal tumoral liver lesions. JPMA. 61: 571-575.
4. Detection of focal hepatic lesions at biphasic spiral CT: randomized double-blind study of the effect of iodine concentration in contrast materials;Hänninen;Radiology,2000
5. Trends in liver disease prevalence in Mexico from 2005 to 2050 through mortality data;Méndez-Sánchez;Annals of Hepatology,2005