1. 1. EdwardsCRW, BouchierIAD, eds. Davidson's Principles and Practice of Medicine. 16th edn. Edinburgh: Churchill Livingstone, Longman, 1991.
2. 3. SchroederSA, KruppMA, TierneyLM, et al., eds. In: Current medical diagnosis and treatment. Connecticut: Lange Medical, 1990:443-538.
3. Hepatitis A to G and beyond;Fagan;Br J Hosp Med,1992
4. Viral hepatitis A to E: An update;Hallam;Aust Fam Phys,1991