Ellabban, Abdou S Receptor activator of nuclear factor kappa B ligand serum and synovial fluid level. A comparative study between rheumatoid arthritis and osteoarthritis. [electronic resource] - Rheumatology international Jun 2012 - 1589-96 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1437-160X Standard No.: 10.1007/s00296-011-1831-0 doi Subjects--Topical Terms: AdultArthralgia--bloodArthritis, Rheumatoid--bloodBiomarkers--bloodEgyptEnzyme-Linked Immunosorbent AssayFemaleHumansKnee Joint--diagnostic imagingMaleMiddle AgedOsteoarthritis, Knee--bloodPain MeasurementPredictive Value of TestsRANK Ligand--bloodRadiographySeverity of Illness IndexSurveys and QuestionnairesSynovial Fluid--metabolismYoung Adult