Glutathione peroxidase 1 Pro198Leu polymorphism in Brazilian Alzheimer's disease patients: relations to the enzyme activity and to selenium status - Cardoso, Bárbara Rita; Ong, Thomas Prates; Jacob Filho, Wilson; Jaluul, Omar; Freitas, Maria Isabel d'Ávila; Cominetti, Cristiane; Cozzolino, Silvia Maria Franciscato (Journal of Nutrigenetics and Nutrigenomics, 2012)