title: Letter: absence of BHAg from cerebrospinal fluid during coma in fulminant hepatitis.
mesh_terms: D002555:Cerebrospinal Fluid / Q000276:immunology*; D006386:Hemagglutination Tests; D006501:Hepatic Encephalopathy / Q000134:cerebrospinal fluid*; D006506:Hepatitis A / Q000150:complications*; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D007122:Immunoelectrophoresis
chemical_list: D006511:Hepatitis B Antigens