TY - JOUR TI - Zinc serum levels and their association with vitamin A deficiency in preschool children PY - 2007 AU - Ferraz, Ivan S. AU - Daneluzzi, Júlio César AU - Vannucchi, Hélio AU - Jordão Júnior, Alceu Afonso AU - Ricco, Rubens Garcia AU - Del Ciampo, Luiz Antonio AU - Martinelli Júnior, Carlos Eduardo AU - Engelberg, Alexander Antony D'Angio AU - Bonilha, Luís R. C. M. AU - Custódio, Viviane I. C. T2 - Jornal de Pediatria SN - 0021-7557 DO - 10.2223/jped.1725 UR - https://doi.org/10.2223/jped.1725 PP - Rio de Janeiro VL - 83 IS - 6 SP - 512-517 ER -