Glucosamine sulfate reduces experimental osteoarthritis and nociception in rats: Association with changes of mitogen-activated protein kinase in chondrocytes

Z. H. Wen, C. C. Tang, Y. C. Chang, S. Y. Huang, S. P. Hsieh, C. H. Lee, G. S. Huang, H. F. Ng, C. A. Neoh, C. S. Hsieh, W. F. Chen, Y. H. Jean