6OGDEN CL,CARROLL MD,KIT BK,et al. Prevalence of obesity and trends in body mass index among US children and adolescents, 1999- 2010 [ J ]. JAMA,2012,307 ( 5 ) :483-490.
7CHENG S. Effects of calcium, dairy product, and vitamin D supple- mentation on bone mass accrual and body composition in 10-12-y-old girls: A 2-y randomized trial [ J ]. Am J Clin Nutr,2005,82 ( 5 ) : 1115 -1126.
