PCN63 META-ANALYTIC, TRIAL-LEVEL APPROACH TO VALIDATION OF PROGRESSION-FREE SURVIVAL AS A SURROGATE ENDPOINT IN ADVANCED BREAST CANCER
Abstract
Authors
R Miksad V Zietemann R Mattheucci Gothe R Schwarzer A Conrads-Frank P Schnell-lnderst B Stollenwerk P Plieschnegger E Esteban U Siebert