title: ELISA assays for IgM and IgG rheumatoid factors.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000276:immunology; D004797:Enzyme-Linked Immunosorbent Assay; D000939:Epitopes; D006801:Humans; D005779:Immunodiffusion; D007074:Immunoglobulin G / Q000032:analysis*; D007075:Immunoglobulin M / Q000032:analysis*; D010434:Pepsin A / Q000494:pharmacology; D012217:Rheumatoid Factor / Q000032:analysis* / Q000276:immunology
chemical_list: D000939:Epitopes; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D012217:Rheumatoid Factor; D010434:Pepsin A