Ruta, Santiago Ultrasound assessment of new onset bilateral painful shoulder in patients with polymyalgia rheumatica and rheumatoid arthritis. [electronic resource] - Clinical rheumatology Sep 2012 - 1383-7 p. digital Publication Type: Journal Article ISSN: 1434-9949 Standard No.: 10.1007/s10067-012-2016-2 doi Subjects--Topical Terms: AgedArthritis, Rheumatoid--diagnostic imagingBursitis--diagnostic imagingCase-Control StudiesFemaleHumansInflammationMaleMiddle AgedPain--diagnostic imagingPolymyalgia Rheumatica--diagnostic imagingReproducibility of ResultsShoulder--diagnostic imagingShoulder Joint--diagnostic imagingSynovitis--physiopathologyTenosynovitis--physiopathologyUltrasonography--methods