TY - GEN A1 - Wiese, M. T1 - 45th ESPEN Congress on Clinical Nutrition & Metabolism, 11th – 14th September 2023, Poster Presentation: „Malnutrition in patients with gastrointestinal cancer manifests already before chemotherapy Y1 - 2023 UR - https://www.hb.fh-muenster.de/opus4/frontdoor/index/index/docId/18762 ER -