Clinical relevance of H-RAS, K-RAS and N-RAS in a large cohort of primary breast cancer patients - Banys-Paluchowski, M; Milde-Langosch, K; Fehm, T; Witzel, I; Oliveira-Ferrer, L; Schmalfeldt, B; Müller, V (Senologie - Zeitschrift für Mammadiagnostik und -therapie, 2018)