title: Hepatitis B antigen and antibody in former heroin addicts on methadone maintenance: correlation with clinical and histological findings.
mesh_terms: D000437:Alcoholism / Q000473:pathology; D000906:Antibodies / Q000032:analysis*; D000918:Antibody Specificity; D001706:Biopsy; D006506:Hepatitis A / Q000473:pathology; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006556:Heroin Dependence / Q000188:drug therapy / Q000276:immunology* / Q000473:pathology; D006801:Humans; D008099:Liver / Q000276:immunology / Q000473:pathology; D008111:Liver Function Tests; D008691:Methadone / Q000627:therapeutic use
chemical_list: D000906:Antibodies; D006511:Hepatitis B Antigens; D008691:Methadone