title: Premenopausal bone loss--a risk factor for osteoporosis.
authors.forename: C C
authors.initials: CC
authors.lastname: Johnston
authors.forename: C
authors.initials: C
authors.lastname: Longcope
mesh_terms: D000328:Adult; D000367:Age Factors; D015519:Bone Density; D005260:Female; D006801:Humans; D008593:Menopause; D008597:Menstrual Cycle; D010024:Osteoporosis / Q000209:etiology*; D012307:Risk Factors; D013131:Spine / Q000378:metabolism