An intracutaneous Congo red test in cases of rheumatoid arthritis.
D000686:Amyloidosis / Q000209:etiology*; D000814:Aniline Compounds; D001172:Arthritis, Rheumatoid / Q000473:pathology*; D004396:Coloring Agents; D003224:Congo Red; D006801:Humans
D000814:Aniline Compounds; D004396:Coloring Agents; D003224:Congo Red; C023650:aniline
AMYLOIDOSIS/etiology and pathogenesis; ANILINE DYES; ARTHRITIS, RHEUMATOID/pathology