title: Demonstration of hepatitis B surface antigen by orcein staining in paraffin sections.
mesh_terms: D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D008107:Liver Diseases / Q000276:immunology; D008722:Methods; D010232:Paraffin; D013194:Staining and Labeling
chemical_list: D006514:Hepatitis B Surface Antigens; D010232:Paraffin