Affiliation: | (1) Discovery Technology, Schering-Plough Research Institute, 07033 Kenilworth, NJ, USA;(2) Tumor Biology, Schering-Plough Research Institute, 07033 Kenilworth, NJ, USA;(3) Structural Chemistry, Schering-Plough Research Institute, 07033 Kenilworth, NJ, USA;(4) Biostatistics, Schering-Plough Research Institute, 07033 Kenilworth, NJ, USA |