[Tyrosine discoloration in progressive poly-arthritis].
D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000150:complications*; D006801:Humans; D010858:Pigmentation; D010859:Pigmentation Disorders / Q000209:etiology*; D014443:Tyrosine / Q000378:metabolism*
D014443:Tyrosine
ARTHRITIS, RHEUMATOID/complications; PIGMENTATION DISORDERS/etiology; TYROSINE/metabolism