title: Electrofocusing of hepatitis B antigen.
mesh_terms: D002353:Carrier State / Q000097:blood; D002850:Chromatography, Gel; D003208:Concanavalin A; D000939:Epitopes; D006506:Hepatitis A / Q000097:blood; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D007525:Isoelectric Focusing; D008722:Methods; D008854:Microscopy, Electron
chemical_list: D000939:Epitopes; D006511:Hepatitis B Antigens; D003208:Concanavalin A