Secular trends in age at menarche among Chinese girls from 24 ethnic minorities, 1985 to 2010
Background: Declining age at menarche has been observed in many countries. In China, a decrease of 4.5 months per decade in the average age at menarche among the majority Han girls has recently been reported. However, the trends in age at menarche among ethnic minority girls over the past 25 years r...
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| Main Authors: | , , , , , |
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| Format: | Book |
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Taylor & Francis Group,
2015-07-01T00:00:00Z.
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