A longitudinal study of changes in physical activity and calcaneus quantitative ultrasound measurement over a 2-year period in Japanese schoolchildren
2015 ◽
Vol 64
(1)
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pp. 183-193
2000 ◽
Vol 11
(5)
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pp. 411-416
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2007 ◽
Vol 20
(1)
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2012 ◽
Vol 23
(12)
◽
pp. 2815-2828
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