Age and gender differences in youth physical activity : Does physical maturity matter?

SHERAR, Lauren B ; ESLIGER, Dale W ; BAXTER-JONES, Adam D. G ; TREMBLAY, Mark S

Medicine and science in sports and exercise, 2007-05, Vol.39 (5), p.830-835 [Periódico revisado por pares]

Hagerstown, MD: Lippincott Williams & Wilkins

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