1. Isselbacher KJ, LaMont JT: Diagnostic procedures in liver diseases.In Principles of Internal Medicine, TR Harrison (ed). New York, McGraw-Hill, 1977, pp 1580?1584
2. Sherlock S: Diseases of the Liver and Biliary System, 5th ed. Oxford, Blackwell Scientific, 1975
3. Menghini G, Ghergo GF: needle biopsy of the liver.In Gastroenterology, Vol III. HL Bockus (ed). Philadelphia, W. B. Saunders, 1976, pp 88?112
4. Edmondson HA, Schiff L: Needle biopsy of the liver.In Diseases of the Liver, 4th ed, L Schiff (ed). Philadelphia, J. B. Lippincott 1975, pp 247?263
5. Terry R: Risks of Needle biopsy of the liver. Br Med J 1:1102?1105, 1952