Casanova-Martí , Àngela, Joan Serrano, M Teresa Blay, Ximena Terra, Anna Ardévol, and Montserrat Pinent. 2017. “Acute Selective Bioactivity of Grape Seed Proanthocyanidins on Enteroendocrine Secretions in the Gastrointestinal Tract”. Food & Nutrition Research 61 (June). https://foodandnutritionresearch.net/index.php/fnr/article/view/1184.