Validity and reproducibility of a semi-quantitative food-frequency questionnaire for estimating calcium intake in Belgian preschool children
Publisher: Cambridge University Press
E-ISSN: 1475-2662|95|4|802-816
ISSN: 0007-1145
Source: British Journal of Nutrition, Vol.95, Iss.4, 2006-04, pp. : 802-816
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract