title: [Changes in bone density and serum E2 levels before and after menopause].
authors.forename: M
authors.initials: M
authors.lastname: Jiang
authors.forename: C Q
authors.initials: CQ
authors.lastname: Bi
mesh_terms: 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*
chemical_list: D004958:Estradiol