RT Journal Article SR Electronic T1 Doppler ultrasonography in rheumatology: adding color to the picture. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 8 OP 10 VO 35 IS 1 A1 Ralf Thiele YR 2008 UL http://www.jrheum.org/content/35/1/8.abstract AB