In vivo LE cell formation in synovial fluid.
D000328:Adult; D000368:Aged; D000974:Antibodies, Antinuclear / Q000032:analysis; D001172:Arthritis, Rheumatoid / Q000097:blood; D005260:Female; D006801:Humans; D007958:Leukocyte Count; D008180:Lupus Erythematosus, Systemic / Q000097:blood; D008297:Male; D008875:Middle Aged; D009504:Neutrophils; D013582:Synovial Fluid / Q000166:cytology*
D000974:Antibodies, Antinuclear