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Evidence for a Secular Trend in Age of Menarche
(New England Journal of Medicine (NEJM/MMS), 1982)
Delayed Menarche and Amenorrhea in Ballet Dancers
(New England Journal of Medicine (NEJM/MMS), 1980)
YOUNG female ballet dancers attending professional schools or dancing in companies in which thinness is much admired restrict their food intake and are highly active. The unusual eating habits and levels of activity of ...