9Arnett FC,Edworthy SM,Bloch DA,et al.The American Rheumaism Association 1987 revised criteria for the classification of rheumatoid anthritis.Arthritis Rheum,1988,31:315 -324.
10Day R, Brooks P, Conaghan PG, et al. A double blind, ran domized, muhicenter, parallel group study of the effectiveness and tolerance of intraarticular hyaluronan in osteoarthritis of the knee. J Rheumatol 2004 ;31 (4) : 775-782.