title: The many faces of positive hepatitis B surface antigen.
authors.affiliation: Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD.
authors.forename: Derek M
authors.initials: DM
authors.lastname: Tang
authors.affiliation: Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD.
authors.forename: Theo
authors.initials: T
authors.lastname: Heller
authors.affiliation: Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD.|Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD.
authors.forename: Christopher
authors.initials: C
authors.lastname: Koh
mesh_terms: D005189:False Positive Reactions; D005260:Female; D006514:Hepatitis B Surface Antigens / Q000097:blood*; D006801:Humans; D049950:Hyperparathyroidism, Primary / Q000097:blood / Q000601:surgery / Q000821:virology; D008875:Middle Aged
chemical_list: D006514:Hepatitis B Surface Antigens