RT Journal Article SR Electronic T1 Significance of Meniscus Extrusion in Chondrocalcinosis: A Sonographic and Arthroscopic Perspective JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1676 OP 1676 VO 35 IS 8 A1 ANGEL CHECA YR 2008 UL http://www.jrheum.org/content/35/8/1676.abstract AB