No abstract available
MeSH terms
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Adolescent
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Adult
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Age Factors
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Body Constitution
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Body Height
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Body Weight
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Child
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Dysmenorrhea
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Female
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Finland
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Humans
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Menarche
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Menstruation Disturbances / epidemiology
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Menstruation*
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Ovulation
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Premenstrual Syndrome
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Prospective Studies
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Psychosexual Development
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Puberty*
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Rural Population
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Social Class
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Statistics as Topic
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Surveys and Questionnaires
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Urban Population