Cognitive performance among the elderly in relation to the intake of plant foods. The Hordaland Health Study. od Nurk, E, Refsum, H, Drevon, C, Tell, G, Nygaard, H, Engedal, K, Smith, A

Cognitive performance among the elderly in relation to the intake of plant foods. The Hordaland Health Study. od Nurk, E, Refsum, H, Drevon, C, Smith, A, al., E