| 1. | Xu L, Nevitt MC, Zhang Y, et al. High prevalence of knee, but not hip or hand ostetarthritis in Beijing elders:comprision with data of Caucasian in United States[J]. Nat Med J China, 2003, 83(14): l206-l209. | 
				                                                        
				                                                            
				                                                                | 2. | Felson DT. Clinical practice--osteoarthritis of the knee[J]. N Engl J Med, 2006, 354(8): 841-848. | 
				                                                        
				                                                            
				                                                                | 3. | Lanas A, Tornero J, Zamorano JL. Asessment of gastrointestinal and cardiaovascular risk in patients with osteoarthritis who require NSAIDs: the LOGICA study[J]. Ann Rheum Dis, 2010, 69(8): 1453-1458. | 
				                                                        
				                                                            
				                                                                | 4. | Oegema TR Jr, Deloria LB, Sandy JD, et al. Effect of oral glucosamine on cartilage and meniscus in normal and chymopapain-injected knees of young rabbits[J]. Arthritis Rheum, 2002, 46(9): 2495-2503. | 
				                                                        
				                                                            
				                                                                | 5. | Bassleer C, Rovati L, Franchimont P. Stimulation of proteoglycan production by glucosamine sulfate in chondrocytes isolated from human osteoarthritic articular cartilage in vitro[J]. Osteoarthritis Cartilage, 1998, 6(6): 427-434. | 
				                                                        
				                                                            
				                                                                | 6. | Fenton JI, Chlebek-Brown KA, Peters TL, et al. Glucosamine HCl reduces equine articular cartilage degradation in explant culture[J]. Osteoarthritis Cartilage, 2000, 8(4): 258-265. | 
				                                                        
				                                                            
				                                                                | 7. | Brief AA, Maurer SG, Di Cesare PE. Use of glucosamine and chondroitin sulfate in the management of osteoarthritis[J]. J Am Acad Orthop Surg, 2001, 9(2): 71-78. | 
				                                                        
				                                                            
				                                                                | 8. | Barr S, Bellamy N, Buchanan WW, et al. A comparative study of signal versus aggregate methods of outcome measurement based on the WOMAC Osteoarthritis Index. Western Ontario and McMaster Universities Osteoarthritis Index[J]. J Rheumatol, 1994, 21(11): 2106-2112. | 
				                                                        
				                                                            
				                                                                | 9. | Altman R, Asch E, Bloch D, et al. Development of criteria for the classification and reporting of osteoarthritis. Classification of osteoarthritis of the knee[J]. Arthritis Rheum, 1986, 29(8): l049-1039. | 
				                                                        
				                                                            
				                                                                | 10. | Lequesne MG, Samson M. Indices of severity in osteoarthritis for weight bearing joints[J]. J Rheumatol, 1991, 27: 16-18. | 
				                                                        
				                                                            
				                                                                | 11. | Felson DT, Zhang Y. An update on the epidemiology of knee and hip osteoarthritis with a view to prevention[J]. Arthritis Rheum, 1998, 41(8): 1343-1355. | 
				                                                        
				                                                            
				                                                                | 12. | Wieland HA, Michaelis M, Kirschbaum BJ, et al. Osteoarthritis - an untreatable disease?[J]. Nat Rev Drug Discov, 2005, 4(4): 331-344. | 
				                                                        
				                                                            
				                                                                | 13. | Bliddal H, Christensen RD, Kristensen PK, et al. Glucosamine effectiveness in the treatment of knee osteoarthritis. Presentation of a Cochrane analysis with the perspective on the GAIT trial[J]. Ugeskr Laeger, 2006, 168(50): 4405-4409. | 
				                                                        
				                                                            
				                                                                | 14. | Toda Y, Tsukimura N. A six-month followup of a randomized trial comparing the efficacy of a lateral-wedge insole with subtalar strapping and an in-shoe lateral-wedge insole in patients with varus deformity osteoarthritis of the knee[J]. Arthritis Rheum, 2004, 50(10): 3129-3136. | 
				                                                        
				                                                            
				                                                                | 15. | Mcalindon TE, Lavalley MP, Gulin JP, et al. Glucosamine and chondroitin for treatment of osteoarthritis: a systematic quality assessment and meta-analysis[J]. JAMA, 2000, 283(11): 1469-1475. |