Sibbitt, W L Does ultrasound guidance improve the outcomes of arthrocentesis and corticosteroid injection of the knee? [electronic resource] - Scandinavian journal of rheumatology Feb 2012 - 66-72 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1502-7732 Standard No.: 10.3109/03009742.2011.599071 doi Subjects--Topical Terms: Adrenal Cortex Hormones--administration & dosageArthritis, Rheumatoid--diagnostic imagingHumansInjections, Intra-ArticularKnee Joint--diagnostic imagingOsteoarthritis--diagnostic imagingPain MeasurementPalpationParacentesis--methodsSynovial Fluid--metabolismTreatment OutcomeUltrasonography, Interventional