1. Terminology—A plea for consistency

   Editorial Pages: 213 - 214

2. High cell density suspension culture of mammalian anchorage independent cells: Oxygen transfer by gas sparging and defoaming with a hydrophobic net

   • Masahiko Ishida
   • Ryoichi Haga
   • Ryusei Nakano

   OriginalPaper Pages: 215 - 225

3. Regulation and expression of transforming growth factor type-ß during early mammalian development

   • David Kelly
   • Wendy J. Campbell
   • Angie Rizzino

   OriginalPaper Pages: 227 - 242

4. Utilization and stability of vitamins in serum-containing and serum-free media in CHO cell culture

   • Satoko Kurano
   • Norihide Kurano
   • Armin Fiechter

   OriginalPaper Pages: 243 - 250

5. Membrane modifications in the course of hepatocyte isolation

   • Elisabetta Falcieri
   • Rosalba Del Coco
   • Patrizia Santi

   OriginalPaper Pages: 251 - 259

6. Growth of poliovirus using alginate entrapped-anchorage dependant Vero cells

   • Pierre Trépanier
   • Robert Dugré
   • Jacques Lapierre

   OriginalPaper Pages: 261 - 269

7. Multistage production of Autographa californica nuclear polyhedrosis virus in insect cell cultures

   • Martina Klöppinger
   • Georg Fertig
   • Herbert G. Miltenburger

   OriginalPaper Pages: 271 - 278

8. Antibody production in packed bed reactors using serum-free and protein-free medium

   • R. Bliem
   • R. Oakley
   • V. Taiariol

   Technical Report Pages: 279 - 283

9. Improved culture conditions forCowdria ruminantium (Rickettsiales), the agent of heartwater disease of domestic ruminants

   • B. Byrom
   • C. E. Yunker

   Technical Report Pages: 285 - 290

10. Patent report

    Announcement Pages: 291 - 294