1. DNA topoisomerase II as a target of antineoplastic drug therapy

   • Leonard A. Zwelling

   OriginalPaper Pages: 263 - 276

2. Macrophage infiltration and tumor progression

   • Sigurd J. Normann

   OriginalPaper Pages: 277 - 291

3. Mechanisms of tumor invasion: evidence from in vivo observations

   • Helmut Gabbert

   OriginalPaper Pages: 293 - 309