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QUESTION Are use and perceived load of school bags and the prevalence of spinal pain different between male and female adolescents? Is use of school bags related to perceived load of school bags? Are(More)
The longitudinal study of pregnant women enrolled a national probability sample of 5,205 women first certified for WIC and 1,358 comparable low-income pregnant women in 174 WIC clinics located in 58(More)
We reviewed past work relating WIC benefits to birth weight, perinatal and infant survival, anemia, child growth, and dietary intake. Despite many uncertainties, the probable range of reduction in(More)