(Hepatitis is a significant complication of t h e treatment of Hemophilia A with factor Vill concentrates. Chronic liver disease in these patients is infrequently documented in t h e gterature. The results of percutaneous liver biopsy, under gie coverage of glycine-precipitated factor VIII, in six patients with hemophilia A who had the persistence of abnormal liver-function t es t s for a t lea...