@article{article42bc9cf5,
title   = {Vitamin a deficiency in children aged 6 to 24 months in São Paulo State, Brazil},
author = {Ferraz, I. S. and Daneluzzi, Júlio Cesar and Vannucchi, Hélio},
year = {2000},
doi = {10.1016/s0271-5317(00)00177-9},
journal   = {Nutrition Research}
}