[文献资料]【参考文献】

1 ． Calloway DH，Murphy SP，Beaton GH，et al ． Esti mated vitamin intakes of toddlers：predicted preva lence of inadequacy in village populations in Egypt，Kenya，and Mexico ． Am J Clin Nutr，1993，58 ∶ 376‐384.2 ． Shimizu T，Maeda S，Arakawa H，et al ． Relation be ......