Ickstadt, KatjaBuchholz, Anika2010-08-092010-08-092010-08-09http://hdl.handle.net/2003/27342http://dx.doi.org/10.17877/DE290R-14713enTime-varying effectsSurvival analysisCox modelSimulation studyFractional polynomials310Assessment of time-varying long-term effects of therapies and prognostic factorsTexturn:nbn:de:hbz:290-2003/27342-6