Factors influencing agreement of breast cancer luminal molecular subtype by Ki67 labeling index between core needle biopsy and surgical resection specimens. - Tendl-Schulz, Kristina A.; Rössler, Fabian; Wimmer, Philipp; Heber, Ulrike M.; Mittlböck, Martina; Kozakowski, Nicolas; Pinker, Katja; Bartsch, Rupert; Dubsky, Peter; Fitzal, Florian; Filipits, Martin; Eckel, Fanny Carolina; et al. (Virchows Archiv: European Journal of Pathology, 2020)