The relationship between serum retinol concentrations and subclinical infection in rural Brazilian children

by Laísla França da Silva TELES, Adriana de Azevedo PAIVA, Liania Alves LUZIA, Flávia Emília Leite de LIMA-FERREIRA, Cecilia Maria Resende Gonçalves de CARVALHO, Patrícia Helen de Carvalho RONDÓ