Alwers, Elizabeth ; Bläker, Hendrik ; Walter, Viola ; Jansen, Lina ; Kloor, Matthias ; Arnold, Alexander ; Sieber-Frank, Julia ; Herpel, Esther ; Tagscherer, Katrin E. ; Roth, Wilfried ; Chang-Claude, Jenny ; Brenner, Hermann ; Hoffmeister, Michael (2019) External validation of molecular subtype classifications of colorectal cancer based on microsatellite instability, CIMP, BRAF and KRAS. BMC Cancer, 19 (681). pp. 1-10. ISSN 1471-2407