Early joint lesions of rheumatoid arthritis; report of eight cases, with knee biopsies of lesions of less than one year's duration.
D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000473:pathology*; D001706:Biopsy; D004194:Disease; D006801:Humans; D007717:Knee; D007719:Knee Joint
ARTHRITIS, RHEUMATOID/pathology; BIOPSY; KNEE/diseases