title: Absence of non-acute rubella IgM antibodies in chronic hepatitis and rheumatoid arthritis.
mesh_terms: D000906:Antibodies / Q000032:analysis*; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D002908:Chronic Disease; D006505:Hepatitis / Q000276:immunology*; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis; D012412:Rubella virus
chemical_list: D000906:Antibodies; D007075:Immunoglobulin M