title: Hepatitis-associated (Australia) antigen in Nigerians: an ultrastructural study.
mesh_terms: D001773:Blood Cells; D006528:Carcinoma, Hepatocellular / Q000276:immunology; D006509:Hepatitis B / Q000276:immunology*; D006511:Hepatitis B Antigens; D006515:Hepatitis B virus; D006801:Humans; D005779:Immunodiffusion; D008113:Liver Neoplasms / Q000276:immunology; D008854:Microscopy, Electron; D009549:Nigeria
chemical_list: D006511:Hepatitis B Antigens