[Electron microscopic study on connective tissue in rheumatoid arthritis].
D001172:Arthritis, Rheumatoid / Q000473:pathology*; D002908:Chronic Disease; D003238:Connective Tissue / Q000473:pathology*; D006801:Humans; D008854:Microscopy, Electron; D013583:Synovial Membrane / Q000473:pathology*