title: Hidden rheumatoid factor in latex negative test sera of patients with rheumatoid arthritis.
mesh_terms: D000328:Adult; D000510:Alpha-Globulins / Q000494:pharmacology; D001171:Arthritis, Juvenile / Q000097:blood; D001172:Arthritis, Rheumatoid / Q000097:blood*; D003956:Dialysis; D005189:False Positive Reactions; D006358:Hot Temperature; D006801:Humans; D007074:Immunoglobulin G / Q000494:pharmacology; D007841:Latex Fixation Tests; D012217:Rheumatoid Factor / Q000032:analysis* / Q000037:antagonists & inhibitors; D013167:Spondylitis, Ankylosing / Q000097:blood
chemical_list: D000510:Alpha-Globulins; D007074:Immunoglobulin G; D012217:Rheumatoid Factor