@article{article38487ed9,
title   = {Vitamin A deficiency among brazilian school-aged children in a healthy child service},
author = {Custódio, V. I. C. and Daneluzzi, Júlio César and Custódio, R. J. and Del Ciampo, Luiz Antonio and Ferraz, I. S. and Martinelli Júnior, Carlos Eduardo and Ricco, Rubens Garcia and Cupo, Palmira and Hering, Silvia E. and Meirelles, M. S. S. and Vannucchi, Hélio},
year = {2007},
doi = {10.1038/sj.ejcn.1602962},
journal   = {European Journal of Clinical Nutrition}
}