title: Anti-e and rheumatoid factor activity in hepatitis B.
mesh_terms: D000914:Antibodies, Viral / Q000302:isolation & purification*; D000936:Antigen-Antibody Complex; D006509:Hepatitis B / Q000276:immunology*; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D012217:Rheumatoid Factor / Q000302:isolation & purification*
chemical_list: D000914:Antibodies, Viral; D000936:Antigen-Antibody Complex; D006511:Hepatitis B Antigens; D012217:Rheumatoid Factor