1. Oka H, Kurioka N, Shitani M, Ohtake K, Ikeoka N, Asai H (1988) Early detection of hepatocellular carcinoma in a prospective study of 160 patients with cirrhosis of the liver. J Ultrasound Med 7:547
2. Okuda K (1986) Primary liver cancer. Quadrennial review lecture. Dig Dis Sci 31:1335–1465
3. Cottone M, Turri M, Caltagirone M, Maringhini A, Sciarrino E, Virdone R, Fusco G, Orlando A, Marino L, Pagliaro L (1988) Early detection of hepatocellular carcinoma associated with cirrhosis by ultrasound and alfafetoprotein: A prospective study. Hepato-Gastroenter. 35:101–103
4. Naccarato R, Farinati F, Zagolin M (1989) Early diagnosis of hepatocellular carcinoma: Can we modify the natural history of the disease? In: Ussia G, Bassi F, Ferrucci JT (eds). New radiologic imaging and intervention in general surgery. Masson, Milan, pp 39–42
5. Gozzetti G, Mazziotti A, Cavallari A, Bellusci R, Bolondi L, Grigioni W, Bragagua R, Grazi GL, De Raffaele E (1988) Clinical experience with hepatic resections for hepatocellular carcinoma in patients with cirrhosis. Surgery 166:503–510