[Delta antigen in chronic active hepatitis].
D006509:Hepatitis B / Q000276:immunology*; D006511:Hepatitis B Antigens / Q000276:immunology*; D035923:Hepatitis delta Antigens; D006521:Hepatitis, Chronic / Q000276:immunology*; D006801:Humans; D008297:Male
D006511:Hepatitis B Antigens; D035923:Hepatitis delta Antigens