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Bone Density
Prospective Studies
Risk Factors
Cohort Studies
Perimenopause
Osteoporosis, Postmenopausal
Fractures, Bone
Estrogen Replacement Therapy
Photon Absorptiometry
Hysterectomy
Finland
Postmenopause
Premenopause
Femur Neck
Lumbar Vertebrae
Femur
Cholecalciferol
Oestradiol
Levonorgestrel
Questionnaires
Co-Publications
52
51
29
28
26
22
17
14
12
9
7
6
5
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