The intracutaneous Congo Red Test.
D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D001391:Azo Compounds; D003224:Congo Red; D006801:Humans; D007271:Injections, Intradermal
D001391:Azo Compounds; D003224:Congo Red
ARTHRITIS, RHEUMATOID/diagnosis; AZO COMPOUNDS