@article{articlec4aca6ef, title = {Zinc serum levels and their association with vitamin A deficiency in preschool children}, author = {Ferraz, Ivan S. and Daneluzzi, Júlio César and Vannucchi, Hélio and Jordão Júnior, Alceu Afonso and Ricco, Rubens Garcia and Del Ciampo, Luiz Antonio and Martinelli Júnior, Carlos Eduardo and Engelberg, Alexander Antony D'Angio and Bonilha, Luís R. C. M. and Custódio, Viviane I. C.}, year = {2007}, doi = {10.2223/jped.1725}, journal = {Jornal de Pediatria} }