Absence of delta antigen in a series of needle biopsies of chronic active hepatitis.
D001707:Biopsy, Needle; D006511:Hepatitis B Antigens / Q000032:analysis*; D003699:Hepatitis D / Q000276:immunology*; D035923:Hepatitis delta Antigens; D006521:Hepatitis, Chronic / Q000276:immunology*; D006801:Humans
D006511:Hepatitis B Antigens; D035923:Hepatitis delta Antigens