Marchianò A., Spreafico C., Lanocita R., Frigerio L., Di Tolla G., Patelli G., Garbagnati F., Heiman F., Taroni P., Damascelli B. Does iodine concentration affect the diagnostic efficacy of biphasic spiral CT in patients with hepatocellular carcinoma? Abdom Imaging. 2005 May-Jun;30(3):274-80