RT Journal Article SR Electronic T1 Autofeedback from Ultrasound Images Provides Rapid Improvement in Palpation Skills for Identifying Joint Swelling in Rheumatoid Arthritis JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1908 OP 1908 DO 10.3899/jrheum.111433.C1 VO 39 IS 9 YR 2012 UL http://www.jrheum.org/content/39/9/1908.1.abstract AB