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