title: Characterization of MS-2 (hepatitis B) serum by electron microscopy.
mesh_terms: D000956:Antigens, Viral; D006509:Hepatitis B / Q000276:immunology*; D006511:Hepatitis B Antigens; D006515:Hepatitis B virus / Q000276:immunology*; D006801:Humans; D008854:Microscopy, Electron
chemical_list: D000956:Antigens, Viral; D006511:Hepatitis B Antigens