title: Electron microscopic studies of lymphoid cells in the rheumatoid synovial membrane.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000473:pathology*; D005347:Fibroblasts; D006801:Humans; D008214:Lymphocytes / Q000166:cytology*; D008854:Microscopy, Electron; D010950:Plasma Cells; D013583:Synovial Membrane / Q000473:pathology*; D014680:Veins / Q000473:pathology