Ford, D K Synovial mononuclear cell responses to rubella antigen in rheumatoid arthritis and unexplained persistent knee arthritis. [electronic resource] - The Journal of rheumatology - 420-3 p. digital Publication Type: Journal Article ISSN: 0315-162X Subjects--Topical Terms: AdolescentAdultAntigens, Viral--analysisArthritis--immunologyArthritis, Rheumatoid--immunologyChildChild, PreschoolHumansImmunity, CellularKnee JointLymphocytes--immunologyMaleMiddle AgedRubella virus--immunologySynovial Fluid--cytology