Intema, Femke, Simon Mastbergen, Cees van Rinsum, Rene Castelein, Anne Karien Marijnissen, Johannes Bijlsma, and Floris Lafeber. 2010. “Cartilage Integrity and Proteoglycan Turnover Are Comparable in Canine Experimentally Induced and Human Joint Degeneration”. Rheumatology Reports 2 (1):e7. https://doi.org/10.4081/rr.2010.e7.