No abstract available
MeSH terms
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Absorptiometry, Photon
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Adolescent
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Adult
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Amenorrhea / diagnosis
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Amenorrhea / epidemiology*
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Body Mass Index
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Bone Density
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Feeding and Eating Disorders / diagnosis
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Feeding and Eating Disorders / epidemiology*
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Female
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Humans
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Life Style
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Mass Screening / methods
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Motor Activity
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Norway / epidemiology
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Osteoporosis / diagnosis
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Osteoporosis / epidemiology*
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Prevalence
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Risk Assessment
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Sports / statistics & numerical data*
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Syndrome