title: Serum concentrations of selected endogenous estrogen and estrogen metabolites in pre- and post-menopausal Chinese women with osteoarthritis.
authors.affiliation: Department of Orthopedics, the Third Affiliated Hospital of Sun Yat-sen University, Tian He District, No. 600 Tianhe Road, Guangzhou, Guangdong, P.R. China.
authors.forename: W
authors.initials: W
authors.lastname: Gao
authors.forename: C
authors.initials: C
authors.lastname: Zeng
authors.forename: D
authors.initials: D
authors.lastname: Cai
authors.forename: B
authors.initials: B
authors.lastname: Liu
authors.forename: Y
authors.initials: Y
authors.lastname: Li
authors.forename: X
authors.initials: X
authors.lastname: Wen
authors.forename: Y
authors.initials: Y
authors.lastname: Chen