title: Synovial fluid lymphocyte subpopulations in the polyarthritis of immunoblastic lymphadenopathy.
mesh_terms: D001168:Arthritis / Q000473:pathology*; D006801:Humans; D007119:Immunoblastic Lymphadenopathy / Q000473:pathology*; D008214:Lymphocytes / Q000145:classification*; D008297:Male; D008875:Middle Aged; D013582:Synovial Fluid / Q000166:cytology*