RT Journal Article SR Electronic T1 Increased biological activity of subchondral mineralized tissues underlies the progressive deterioration of articular cartilage in osteoarthritis. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1156 OP 1158 VO 32 IS 6 A1 David B Burr YR 2005 UL http://www.jrheum.org/content/32/6/1156.abstract AB