[Ultrastructural study of piecemeal necrosis in chronic active hepatitis].
D000920:Antibody-Dependent Cell Cytotoxicity; D000921:Antibody-Producing Cells / Q000648:ultrastructure; D006509:Hepatitis B / Q000473:pathology*; D006521:Hepatitis, Chronic / Q000473:pathology*; D006801:Humans; D008099:Liver / Q000473:pathology / Q000648:ultrastructure*; D009336:Necrosis