Resistance to Palbociclib involves multiple mechanisms amenable to targeting with drug holidays or drug switching to improve therapeutic outcome. Resistance to Palbociclib involves multiple mechanisms amenable to targeting with drug holidays or drug switching to improve therapeutic outcome

This SuperSeries is composed of the SubSeries listed below. Overall design: Refer to individual Series本超级系列（SuperSeries）由下述子系列（SubSeries）组成。总体设计：详见各独立系列。