RT Journal Article SR Electronic T1 Sonographic Assessment of a Bifid Median Nerve and Median Artery in Carpal Tunnel Syndrome JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1694 OP 1696 DO 10.3899/jrheum.110036 VO 38 IS 8 A1 ANGEL CHECA A1 HUMAIRA HUSSAIN YR 2011 UL http://www.jrheum.org/content/38/8/1694.abstract AB