Ratzkowski, E., and A. Hochman. “Gastro-Intestinal Function After Abdominal Cobalt Irradiation”. Acta Oncologica 7, no. 6 (January 1, 1968): 417–432. Accessed May 20, 2026. https://medicaljournalssweden.se/actaoncologica/article/view/34317.