Casanova-Martí Àngela, Serrano Joan, Blay M Teresa, Terra Ximena, Ardévol Anna, and Pinent Montserrat. 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.