P231 Luminal subtypes vs. early Ki-67 response and Oncotype DX® in early breast cancer: WSG-ADAPT study. (March 2015) - Gluz, O.; Nitz, U.; Christgen, M.; Kreipe, H.; Kates, R.E.; Kuemmel, S.; Braun, M.; Schumacher, C.; Wuerstlein, R.; Harbeck, N.