2Shiina S, Tagawa K, Uauma T, et al. Percutaneous ethanol injection therapy for the treatment of hepatocellular carcinoma:analysis of 77 patients. AIR, 1990: 155:1221.
3Okuda K,Ohtsuki T, Lbata H,et al. Natural history of hepatocellular carcinoma and prognosis in relation to treament [ J ]. cancer, 1995,76 (4):918~922.