Effects of Brazil nut consumption on selenium status and cognitive performance in older adults with mild cognitive impairment: a randomized controlled pilot trial - Cardoso, Bárbara Rita; Apolinário, Daniel; Bandeira, Verônica da Silva; Busse, Alexandre Leopold; Magaldi, Regina Miksian; Filho, Wilson Jacob; Cozzolino, Silvia Maria Franciscato (European Journal Nutrition, 2016)