1. Fessel M, Scholl L, Hefti ML. Die isolierte Hepatomegalie und ihre Folgen auf die Lebenserwartung. Lebensversicherungsmedizin 1984; 36: 136–9.
2. Lew EA, Gajewski J (eds). Medical Risks: trends in mortality by age and time elapsed. New York: Praeger 1990; 9: 70–1.
3. Desbien NA, Turney SL, Gani KS. Multichannel 18-test panels: are 60% of panels abnormal by chance? J Lab Clin Med 1990; 115: 292–7.
4. Panda SK et al. Hepatitis G virus in India. Lancet 1996; 348: 1319.
5. Fagan E, Harrison T. Exclusion in liver by polymerase chain reaction of hepatitis B and C viruses in acute liver failure attributed to sporadic non-A, non-B hepatitis. J Hepatol 1994; 21: 587–91.