4American College of Rheumatology Subcommittee on Osteoarthri- tis Guidelines Recommendations for the medical management of osteoarthritis of the hip and knee[J] Arthritis Rheum,2000,43 : 1 905-1 915.
5Liu SH, al-Shaikh R, Panossian V, et al. Primary immunolocal-ization of estrogen and progesterone target ceils in the human an- terior eruciate ligament[J]. J Orthop Res, 1996,14 (4) :526 - 533.
6Dietrich W, Haitel A, Holzer G. et al. Estrogen receptor beta is the predominant estrogen receptor subtype in normal human syn- ovia[ J]. J Soe Gyneeol lnvestig,2006,13(7) :512 -517.
7Braidman IP, Hainey L, Batra G, et al. Localization of estrogen receptor beta protein expression in adult human bone[ J]. J Bone Miner Res,2001,16(2) :214 -220.
8Arts J, Kuiper GG, Janssen JM, et al. Differential expression of estrogen receptors alpha and beta mRNA during differentiation of human osteoblast SV - HFO cells [ J ]. Endocrinology, 1997,138 (11) :5 067 -5 070.