Astrup Jensen, Søren, Ben Vainer, Caroline Janet Witton, Jan Trøst Jørgensen, and Jens Benn Sørensen. “Prognostic Significance of Numeric Aberrations of Genes for Thymidylate Synthase, Thymidine Phosphorylase and Dihydrofolate Reductase in Colorectal Cancer”. Acta Oncologica 47, no. 6 (January 1, 2008): 1054–1061. Accessed February 21, 2025. https://medicaljournalssweden.se/actaoncologica/article/view/25898.