Motosugi U, Ichikawa T, Koshiishi T, Sano K, Morisaka H, Ichikawa S, Enomoto N, Matsuda M, Fujii H, Araki T. Liver stiffness measured by magnetic resonance elastography as a risk factor for hepatocellular carcinoma: a preliminary case-control study. Eur Radiol. 2013;23:156-62.