title: Hepatitis B surface antigen (HBsAg): a 40-year-old hepatitis B virus seromarker gets new life.
authors.forename: Brian J
authors.initials: BJ
authors.lastname: McMahon
mesh_terms: D015415:Biomarkers / Q000097:blood; D002353:Carrier State; D004279:DNA, Viral / Q000097:blood; D005838:Genotype; D006514:Hepatitis B Surface Antigens / Q000097:blood*; D006515:Hepatitis B virus / Q000235:genetics / Q000276:immunology*; D019694:Hepatitis B, Chronic / Q000175:diagnosis* / Q000188:drug therapy / Q000453:epidemiology; D006801:Humans; D010641:Phenotype; D011237:Predictive Value of Tests; D012680:Sensitivity and Specificity; D012698:Serologic Tests; D013997:Time Factors; D014775:Virus Activation
chemical_list: D015415:Biomarkers; D004279:DNA, Viral; D006514:Hepatitis B Surface Antigens