[Changes in bone density and serum E2 levels before and after menopause].
Jiang
M
M
Bi
C Q
CQ
D000368:Aged; D001842:Bone and Bones / Q000032:analysis; D004958:Estradiol / Q000097:blood*; D005260:Female; D006801:Humans; D008593:Menopause; D008875:Middle Aged; D010024:Osteoporosis / Q000097:blood*
D004958:Estradiol