Vitamin A status and associated factors in infants attending at Primary Health Care in Goiânia, Goiás, Brazil - Silva, Lara Lívia Santos da; Peixoto, Maria do Rosário Gondim; Hadler, Maria Claret Costa Monteiro; Silva, Sara Araújo da; Cobayashi, Fernanda; Cardoso, Marly Augusto (Revista Brasileira de Epidemiologia, 2015)