Decline after immobilisation and recovery after remobilisation of synovial fluid IL1, TIMP, and chondroitin sulphate levels in young beagle dogs.
Haapala J, Arokoski JP, Rönkkö S, Agren U, Kosma VM, Lohmander LS, Tammi M, Helminen HJ, Kiviranta I. Ann Rheum Dis. 2001 Jan; 60(1):55-60.