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"Washington, Jan 29 (ANI): A team of researchers determined that the onset of puberty was the primary influence on adult bone mineral density, or bone strength."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.oneindia.com/2011/01/29/ageof-onset-of-puberty-predicts-adult-osteoporosisrisk-aid0121.html>