title: Present status of the rheumatoid factor.
mesh_terms: D000888:Antibodies, Anti-Idiotypic / Q000032:analysis; D001172:Arthritis, Rheumatoid / Q000235:genetics / Q000276:immunology; D003165:Complement System Proteins; D000939:Epitopes / Q000032:analysis; D049673:History, 20th Century; D006801:Humans; D007074:Immunoglobulin G / Q000378:metabolism / Q000502:physiology; D012204:Rh-Hr Blood-Group System; D012217:Rheumatoid Factor / Q000032:analysis / Q000266:history / Q000276:immunology
chemical_list: D000888:Antibodies, Anti-Idiotypic; D000939:Epitopes; D007074:Immunoglobulin G; D012204:Rh-Hr Blood-Group System; D003165:Complement System Proteins; D012217:Rheumatoid Factor