Clonal heterogeneity in ER+ breast cancer reveals the proteasome and PKC as potential therapeutic targets oleh Lukas Beumers, Efstathios-Iason Vlachavas, Simone Borgoni, Luisa Schwarzmüller, Luca Penso-Dolfin, Birgitta E. Michels, Emre Sofyali, Sara Burmester, Daniela Heiss, Heike Wilhelm, Yosef Yarden, Dominic Helm, Rainer Will, Angela Goncalves, Stefan Wiemann