1. Neurotransmitters are regulators for the migration of tumor cells and leukocytes

   • Frank Entschladen
   • Kerstin Lang
   • Kurt S. Zaenker

   Review Pages: 467 - 482

2. Adhesion of lymphocytes to bladder cancer cells: the role of the α_Eβ₇ integrin

   • Joanne Cresswell
   • Wai Wong
   • John A. Kirby

   Original Article Pages: 483 - 491

3. The mechanism of regression of solid SL2 lymphosarcoma after local IL-2 therapy

   • Anton H. Baselmans
   • Jan-Willem Koten
   • Willem Den Otter

   Original Article Pages: 492 - 498

4. Biochemotherapy of metastatic malignant melanoma. On down-regulation of CD28

   • Annika Håkansson
   • Leif Håkansson
   • Monique R. Bernsen

   Original Article Pages: 499 - 504

5. Induction of cytotoxicity against autologous tumour cells by interleukin-12:evidence for intrinsic anti-tumor immune capacity in curatively resected gastrointestinal tumour patients

   • Michael Ströhlein
   • Klaus-Uwe Grützner
   • Markus Heiss

   Original Article Pages: 505 - 512

6. Accumulation of CD45RO⁺ cells in peritoneal carcinomatous fluid favours survival of ovarian carcinoma patients

   • Ilona Kryczek
   • Marian Gryboś
   • Andrzej Lange

   Original Article Pages: 513 - 519