Brændegaard Winther, Stine, Gunnar Baatrup, Per Pfeiffer, and Camilla Qvortrup. 2016. “Trends in Colorectal Cancer in the Elderly in Denmark, 1980–2012”. Acta Oncologica 55 (sup1):29-39. https://doi.org/10.3109/0284186X.2015.1114674.