Impact of a glutamine-enriched peptide formula on gastrointestinal toxicity and on the interruption of oncologic treatment in patients with adenocarcinoma of the rectum - Salas-Salas, Bárbara Gabriela; Ferrera-Alayón, Laura; Calleja-Fernández, Alicia; Chicas-Sett, Rodolfo; Nogués-Ramia, Eva; Zafra-Martín, Juan; Lloret, Marta (Frontiers in Nutrition, 2024)