title: T lymphocyte subpopulations in synovial fluid in ankylosing spondylitis.
mesh_terms: D000328:Adult; D001172:Arthritis, Rheumatoid / Q000276:immunology; D005260:Female; D006801:Humans; D008297:Male; D013167:Spondylitis, Ankylosing / Q000276:immunology*; D013582:Synovial Fluid / Q000276:immunology*; D013601:T-Lymphocytes / Q000145:classification*