Pollack, S Monoarthritis with heterophil-negative infectious mononucleosis. Case of an older patient. [electronic resource] - Archives of internal medicine Aug 1980 - 1109-11 p. digital Publication Type: Case Reports; Journal Article ISSN: 0003-9926 Subjects--Topical Terms: Antibodies, Viral--analysisArthritis--etiologyHerpesvirus 4, Human--immunologyHumansInfectious Mononucleosis--complicationsKnee JointMaleMiddle AgedSynovial Fluid--immunology