Differential agglutination test in rheumatoid arthritis complicated by pneumoconiosis.
D000372:Agglutination Tests; D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000150:complications*; D006384:Hemagglutination; D006801:Humans; D011009:Pneumoconiosis / Q000150:complications*
ARTHRITIS, RHEUMATOID/complications; HEMAGGLUTINATION; PNEUMOCONIOSES/complications