Early increase in serum-COMP is associated with joint damage progression over the first five years in patients with rheumatoid arthritis.
Andersson ML, Svensson B, Petersson IF, Hafström I, Albertsson K, Forslind K, Heinegård D, Saxne T.
BMC Musculoskelet Disord. 2013 Aug 2;14:229. doi: 10.1186/1471-2474-14-229.