4) Sato S, Suzuki S, Takikawa Y. Prospective study to clarify the prognosis of patients with acute hepatitis severe type and fulminant hepatitis in Japan. Intractable Liver Diseases Study Group of Japan, The Ministry of Health and Welfare. Annual Report at 1998, pp 67-69, 1999 (in Japanese).
5) Muto Y. Fulminant hepatitis in Japan (1992). Intractable Liver Diseases Study Group of Japan, The Ministry of Health and Welfare. Annual Report at 1993, pp 44-50, 1994.