@inproceedings{inproceedings2e37bd22, title = {Vitamin A deficiency in adolescents from Ribeirão Preto city(SP)}, author = {Ferraz, Ivan Savioli and Souza, Cristiane Simões Bento de and Daneluzzi, Julio Cesar and Vannucchi, Hélio and Jordão Júnior, Alceu Afonso and Del Ciampo, Luiz Antonio and Ricco, Rubens Garcia and Martinelli Junior, Carlos Eduardo and Del Ciampo, Ieda Regina Lopes and Milani, Soraya Lopes Sader}, year = {2010}, booktitle = {Reunión de la Sociedad Latinoamericana de Investigación Pediatrica} }