Knorr, T., Obermayr, F., Bartnik, E., Zien, A., & Aigner, T. (2003). YKL-39 (chitinase 3-like protein 2), but not YKL-40 (chitinase 3-like protein 1), is up regulated in osteoarthritic chondrocytes.

Knorr, T., F. Obermayr, E. Bartnik, A. Zien, och T. Aigner. YKL-39 (chitinase 3-like Protein 2), but Not YKL-40 (chitinase 3-like Protein 1), Is Up Regulated in Osteoarthritic Chondrocytes. 2003.

Knorr, T., et al. YKL-39 (chitinase 3-like Protein 2), but Not YKL-40 (chitinase 3-like Protein 1), Is Up Regulated in Osteoarthritic Chondrocytes. 2003.