Prolonged toilet training in children with Down syndrome: a case–control study Flávia Cristina de Carvalho Mrad, André Avarese de Figueiredo, José de Bessa, José Murillo Bastos Netto

Coenzyme Q10 and pro-inflammatory markers in children with Down syndrome: clinical and biochemical aspects Moushira E. Zaki, Hala T. El-Bassyouni, Angie M.S. Tosson, Eman Youness, Jihan Hussein

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