Prevalence and factors associated with vitamin A deficiency in children and adolescents Rita de Cássia Ribeiro-Silva, Itaciara L. Nunes, Ana Marlúcia Oliveira Assis

Vitamin D deficiency in children and adolescents with obesity: a meta-analysis Verônica Indicatti Fiamenghi, Elza Daniel de Mello

Vitamin A deficiency and association between serum retinol and IGF-1 concentrations in Brazilian children with Down syndrome Ivan Savioli Ferraz, Débora Mônica Costa Vieira, Luiz Antonio Del Ciampo, Fábio da Veiga Ued, Ane Cristina Fayão Almeida, Alceu Afonso Jordão, Davi Casale Aragon, Edson Zangiacomi Martinez, Carlos Eduardo Martinelli, Carlos Alberto Nogueira-de-Almeida