title: [Serological studies on chronic rheumatoid arthritis].
mesh_terms: D000818:Animals; D000888:Antibodies, Anti-Idiotypic / Q000032:analysis; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D002642:Chick Embryo; D005455:Fluorescent Antibody Technique; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D011817:Rabbits / Q000276:immunology; D012217:Rheumatoid Factor / Q000032:analysis; D012756:Sheep / Q000276:immunology
chemical_list: D000888:Antibodies, Anti-Idiotypic; D007074:Immunoglobulin G; D012217:Rheumatoid Factor