2Felson DT, Zhang Y. An update on the epidemiology of knee and hip osteoarthritis with a view to prevention. Arthritis Rheum, 1988, 41 : 1343-1355.
3Yelin E. The economics of osteoarthrits . In : Brandt K, Doherty M, Lohmander LS, eds. Osteoarthrits, New York: Oxford University Press;1998. 23-30.
4Dieppe PA, Cushnaghan J, Shepstone L, et al. The Bristol " OA500" Study: progression of osteoarthrits (OA) over 3 years and the relationship between clinical and radiographic changes at the knee joint. Osteoarthritis Cartilage, 1997, 5 : 87-97.
5Oliveria SA, Felson DT, Reed JI, et al. Incidence of symptomatic hand, hip, and knee osteorthrits among patients in a health maitenance organization. Arthritis Rheum, 1995, 38 : 1134-1141.
6Sharmta L, Pai-Y-C, Holtkamp K, et al. Is knee joint proprioception worse in the osteoarthritic knee versus the unaffected knee osteoarthritis? Arthritis Rheum, 1997, 40: 1518-1525.
7Ala-Kokko L, Baldwin CT, Moskowitz RW, et al. Single base mutation in the type Ⅱ procollagen gene(COL2A1) as a cause of primary osteoarthritis associated with a mild chondrodysplasia. Proc Natl Acad Sci U SA, 1990, 87:6565-6568.
8Radin EL. Mechanical aspects of osteoarthritis. Bull Rheum Dis, 1976,26 : 862-865.
9Dequeker J, Boonen S, Aerssens J, et al. Inverse relationship osteoarthritis-osteoporosis: what is the evidence? What are the consequences? Br J Rheumatol, 1996, 35: 813-820.
10Spector TD, Nandra D, Hart DJ, et al. Is hormone replacement therapy protective for hand and knee osteoarthritis in women? The Chingford Study. Ann Rheum Dis, 1997, 56:432-434.
